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• Photo: Linus Pauling Jr. kayaking at Corona del Mar. "Linus at Corona del March, September 1938. Taken by Dr van Overbeek [?]" Black and white print. [Ship #3969] [LP Photo Box, 1938i.14]
• Reprint: Roholm K. "Fluorine Compounds: Hydrofluoric acid, fluorides, fluosilicates, etc." I. L. O.: Occupation and Health. Northwest Safe Water. [Filed under LP Science: Box #10.006, Folder #6.1]
• Research Notebooks of LP, RNB 16 RE: Rules regarding Gates and Crellin Laboratories; Farmer to teach phys. chem. to geologists in 1938-39, a regular staff member will be hired to teach in succeeding years.

• AHP writes cheque to: Betty Vanderlaan amount $15 [Filed under LP Biographical: Box #4.014, Folder #2]
• AHP writes cheque to: Connecticut Mutual Life Insurance Company amount $56.01 [Filed under LP Biographical: Box #4.014, Folder #2]
• AHP writes cheque to: Nellie Durby amount $1.10 [Filed under LP Biographical: Box #4.014, Folder #2]
• AHP writes cheque to: Rose Vanderlaan amount $25 [Filed under LP Biographical: Box #4.014, Folder #2]
• Letter from LP to Arthur B. Lamb, Editor, Journal of the American Chemical Society RE: LP submits for publication the accompanying paper and would like a proof of it sent to him as well as a proof for the paper on "The Crystal Structure of Ammonium Cadmium Chloride" by Brasseur and himself. [Filed under LP Science: Box #14.002, Folder #2.3]
• Letter from LP to H. T. Clarke RE: LP is sorry to report that there are no current openings for Dr. Fraenkel-Conrat. The only opening available is for a professional appointment and no other funds will be spent until that appointment is made. [Clarke's letter August 16, 1938] [Filed under LP Correspondence: Box #66, Folder #66.4]

• Letter from LP to James B. Conant. [Filed under: LP Correspondence: Box #66, Folder #15]

  September 2, 1938

  President James B Conant

  Old Lyme, Connecticut

  Dear Conant,

  I am pleased to learn that you are interested in mentioning resonance in revising your text book of organic chemistry, and I have also been pleased to see from your letter that your understanding of the subject seems to be the same as mine. I would agree completely with the discussion which you gave in your letter of imidazole, urea, and the amides. You are right in saying that a molecule resonating among several valence bond structures retains one equilibrium configuration of the nuclei. Resonance is not identical with tautomerian; I would not say that two or three tautomeric forms of urea differing in the distribution of the hydrogen atoms, were to be combined together in a resonating structure.

  Probably one reason for the confusion of resonance and tautomerism in the minds of some chemists results from the fact that often the valence bond structures among which a molecule resonates are similar to the valence bond structure usually written for the individual tautomers. In the case of urea the tautomeric form with no hydrogen on oxygen is usually assigned a valence bond structure with a carbon-oxygen double bond, and the forms in which a hydrogen atom has been transferred from nitrogen to oxygen are assigned structures with a carbon-nitrogen double bond. From the point of view of resonance each of these tautomeric forms is considered to be a normal state to which all of these structures contribute, the greatest contribution in each case being made by the structure which is conventionally assigned to the tautomer. The same resonance occurs when hydrogen is replaced by methyl groups as you mentioned in your letter in

  President James B. Conant 2 September 2, 1938

  connection with imidazole; the methyl groups probably tend to stabilize the conventional valence bond structure somewhat, however, so that the conventional structure becomes somewhat more important for methylated compounds than for those containing hydrogen. In the case of the carboxyl group, for example, I would estimate about 50-50 percent for the chances of the double bond in the two positions for the ion, about 60-40 for the acid, and about 70-30 for the ester.

  My wife and I have been busy this summer with an architect preparing plans for a house which we hope to have built during the fall. We have purchased a tract of 2.1 acres at the foot of Mount Wilson, between Altadena and Sierra Madre. The tract Is located above an arroyo, and has a fine view of the arroyo, the mountains and the valley to the south. It has on it several live oak and eucalyptus trees so that our planting is partially taken care of. It will be a change for me to have to drive to the Institute after having lived across the street for eight years, but the five miles on good roads can be covered in ten or twelve minutes, so that I do not expect to lose much time

  With kindest regards to Mrs. Conant,

  Sincerely yours,

  Linus Pauling

  LP/bes

• Letter from LP to Dr. Thorfin R. Hogness. [Filed under: H: Individual Correspondence, Box #162, Folder #162.5]

  September 8, 1938

  Professor Thorfin Hogness

  Department of Chemistry

  University of Chicago

  Chicago, Illinois

  Dear Thorfin:

  I have a man, John N. Wilson, working on the theory and practice of chromatographic analysis. I remembered that a student with you was carrying on similar work a couple of years ago but I have forgotten his name. Could you tell me whether an account of his work was published, and if not, whether a dissertation or other report is available?

  We are trying to develop the chromatographic technique for the purpose of separating mixtures of amino acids and peptides.

  I trust that you have been having a good time in Michigan. We have been hard at work on plans for our new house, and now the contractors are getting ready to put in their bids for its construction.

  Sincerely yours,

  Linus Pauling

  LP/bcs

• Letter from LP to Mr. R. L. Johnson RE: Informs Johnson that CIT does have any facilities for water analysis and suggests that he write to University of California at Berkeley. [Filed under: J: Correspondence, Box #192, Folder #192.5]
• Letter from LP to Professor E. B. Wilson RE: LP submits a paper written by James Bonner and Edwin R. Buchman of CIT, to published in the Proceedings of the National Academy of Sciences. [Wilson's reply: September 12, 1938] [Filed under: W: Individual Correspondence, Box #438, Folder #438.4]
• Letter from LP to Tax Collector, Los Angeles County, RE: LP requests a statement of the taxes for the property he just purchased. [Filed under LP Safe Contents, Drawer 2, Folder 2.035.15]
• Letter from LP to Whom it May Concern RE: LP recommends Dr. Bruce H. Sage for acceptance as a U. S. Naval Reserve. [Filed under: S: Correspondence, Box #377, Folder #377.8]
• Letter from LP to the Assessor of the County of Los Angeles, RE: Describes the property that he and AHP purchased from Thomas B. and Neva S. Wilson on June 3, 1938. Requests that the property be assessed and that a statement of assessment is sent to he and AHP. [Filed under LP Personal Safe: Drawer 2, Folder 2.035]
• Telegram from LP to Mr. James S. Thompson RE: LP will review Rice's book. [Filed under LP Correspondence: Box #253, Folder #253.1]

• Letter from James S. Thompson to LP RE: Thompson is sending the entire manuscript by Rice and asks LP for his suggestions. [Filed under LP Correspondence: Box #253, Folder #253.1]
• Letter from LP to E. C. Barrett RE: Notification that Coryell is resigning and his resignation will be effective the end of September wit his last pay check to be sent Sept. 30. [Filed under LP Science: Box #14.038, Folder #38.3]
• Letter from LP to Mr. W. S. Schaeffer, Cornell University Press, RE: Inquires as to the status of the publication of The Nature of the Chemical Bond. LP explains that he wishes to use the book as a test this fall and will do anything to expedite its publication. [Filed under LP Books: Box 1939b, Folder 1939b.2]
• Letter from LP to Professor Papish RE: Explains that Hughes has been there for several days and is getting along quite well. He has not yet received proof for correction for The Nature of the Chemical Bond, nor has he heard anything in regards to the progress of printing. Asks Papish what he can do to speed up the process. [Filed under LP Books: Box 1939b, Folder 1939b.2]

• AHP writes cheque to: Adohr Milk Farms amount $34.15 [Filed under LP Biographical: Box #4.014, Folder #2]
• AHP writes cheque to: Collector of Internal Revenue amount $46.66 [Filed under LP Biographical: Box #4.014, Folder #2]
• AHP writes cheque to: F. C. Nash amount $20.34 [Filed under LP Biographical: Box #4.014, Folder #2]
• AHP writes cheque to: Fortner and Loud amount $30.46 [Filed under LP Biographical: Box #4.014, Folder #2]
• AHP writes cheque to: Nellie Durby amount $1.50 [Filed under LP Biographical: Box #4.014, Folder #2]
• AHP writes cheque to: Southern California Telephone Company amount $6.20 [Filed under LP Biographical: Box #4.014, Folder #2]
• AHP writes cheque to: Standard Oil Company amount $27.69 [Filed under LP Biographical: Box #4.014, Folder #2]
• AHP writes cheque to: Union Oil Company of California amount $3.23 [Filed under LP Biographical: Box #4.014, Folder #2]
• Letter from Mary E. O'Donnell to LP RE: O'Donnell informs LP that Professor Wilson is away but she has taken the liberty of sending the article to the press herself. However, she believes that it is a little longer that 6 pages and if that is the case, there will be a fee of $8 per page after the six pages. [LP's letter: September 8, 1938, LP's reply: September 15, 1938] [Filed under: W: Individual Correspondence, box #438, Folder #438.4]

• AHP writes cheque to: Wesley Unfried amount $1.70 [Filed under LP Biographical: Box #4.014, Folder #2]

• Letter from LP to Executive Council, C. I. T. RE: The Council of the Division of Chemistry and Chemical Engineering recommends that Dr. C. S. Garner, Noyes Fellow in Chemistry, be given a stipend during the first and second terms, 1938-39, in compensation for teaching Physical Chemistry for Geologists. [Filed under LP Science: Box #14.038, Folder #38.3]
• Letter from W. S. Schaeffer, Cornell University Press to LP, RE: Apologizes for the delay in publication of The Nature of the Chemical Bond, but informs LP that the manuscript arrived too late to go through the presses before fall term as he already explained to Dr. Hughes, who he is surprised did not relay that to LP. [LP's letter September 9, 1938; LP's reply September 19, 1938] [Filed under LP Books: Box 1939b, Folder 1939b.2]

• AHP writes cheque to: Nellie Durby amount $1.25 [Filed under LP Biographical: Box #4.014, Folder #2]
• Letter from James B. Conant to LP RE: Thanks LP for answering his letter, of August 29, 1938, so promptly. [Filed under C: Individual Correspondence: Box #66, Folder #66.15]
• Letter from LP to Dr. Fred Fairbrother RE: Asks that the name of the journal in which his article "The Increase in the Dipole Moment of a Diatomic Molecule in a Non-Polar Liquid" along with the volume, month and year be sent. Also, asks for reprints of the article. [Filed under: F: Correspondence, Box #128, Folder #128.4]
• Letter from LP to Miss O'Donnell RE: LP thanks her for taking care of the manuscript by Bonner and Buchman. They will be glad to pay extra if the manuscript is over six pages. [O'Donnell's letter: September 12, 1938] [Filed under: W: Individual Correspondence, Box #438, Folder #438.4]
• Note from E. Rabinowitch to LP RE: Thanks LP for his letter and informs him that he too has written to Professor Soller at Cinncinati but has yet to hear back from him. [LP's last letter: August 29, 1938] [Filed under: R: Individual Correspondence, Box #326, Folder #326.1]
• Report to the National Research Fellowships Board in the Natural Sciences upon termination of a National Research Fellowship for the years 1936 to 1938 by H. J. Yearin, C. I. T. [Filed under LP Science: Box #14.027, Folder #27.3]

• Letter from David Harker to LP RE: Thanks LP for the pleasant evening he gave him while visiting Pasadena. [Filed under: H: Individual Correspondence, Box #151, Folder #151.10]
• Letter from Helen S. French to LP RE: Asks LP if it would be possible for her to come to CIT during the second semester of the academic year. She asks not for laboratory space but for the use of library facilities and the ability to listen in on lectures. [LP's reply: September 20, 1938] [Filed under: F: Individual Correspondence, Box #121, Folder #121.15]
• Letter from LP to Dr. O. Scherzer RE: LP is hoping to complete his manuscript for the Physical Review in honor of Professor Sommerfeld and thus will not have time to submit his manuscript by the first of September. [Filed under: Sommerfeld, Arnold: Reprints, Correspondence, Box #366, Folder #366.1]
• Letter from LP to Mr. Pressman RE: LP regrets to say that it is impossible to make arrangements for any cash rebate on his Athenaeum appointment. [Filed under LP Correspondence: Box #309, Folder #309.7]
• Note from Kenneth Palmer to LP RE: Asks LP to let him know from whom he could purchase the wooden balls and pegs used for constructing molecular models. Also, he would like know where to purchase the cellophane envelopes used in filing the electron diffraction photographs. [Filed under: LP Correspondence, Box #304, Folder #304.3]

• Letter from LP to Mr. James S. Thompson. [Filed under LP Correspondence: Box #253, Folder #253.1]

  September 17, 1938

  Mr. James S. Thompson

  McGraw-Hill Book Company, Inc.

  330 West 42nd Street

  New York, N.Y.

  After reading Rice's manuscript, I have formed the following opinion of it.

  The field covered is an interesting and important one, and the author is an able man, familiar with the field. It is my opinion, however, that his treatment of the physical basis of valence theory, given in the first ten chapters (206 pages), is not satisfactory, for reasons given in the following paragraph. The remaining chapters, XI to XIX (355 pages), are, I believe, more satisfactory.

  In the first ten chapters the author attempts to cover a very wide and difficult field. He does not adopt a consistent point of view, his treatment being in part too mathematical and in part too elementary. There is no consecutive development of any theory or subject; arguments are based almost at random on classical theory, old quantum theory, and quantum mechanics. The author has shown ingenuity in his discussion of wave mechanics without the Schrödinger wave equation; this discussion is very arbitrary, however, and I fear that no reader would follow it or get a correct picture of quantum mechanics from it. Moreover, the treatment is not consistent; for example, the important argument on page 179 involves the properties of the wave equation, introduced here without discussion. The reader would surely be lost here.

  It seems likely that the manuscript could be made the basis of a satisfactory course taught by Dr. Rice himself, but that another teacher, without his ability and knowledge, would have difficulty with it. I doubt that minor revisions of the first ten chapters would change the situation. These chapters might be completely rewritten to give them greater unity, consecutiveness, and clarity. Or it might be possible for the author to replace them by a briefer treatment covering only the material needed as the basis for the succeeding chapters, omitting elementary topics which the reader might be expected to know (such as Chapters I and II) and advanced topics which are not essential to the later chapters (wave mechanical calculations, etc.)

  Chapters XI to XIX seem to me to be good in general. They are marred by occasional lack of clarity and by errors in fact and in English. I enclose an incomplete list of suggested changes (in addition many obvious errors in spelling and punctuation have been corrected in the manuscript). These chapters need to be gone over carefully before printing.

  I am returning the manuscript separately. I would be glad to discuss it further with you, if you desire.

  Yours truly,

  Linus Pauling

  LP/bcs

• AHP writes cheque to: Hjalmar Johnson amount $14.79 [Filed under LP Biographical: Box #4.014, Folder #2]
• LP Research Notebooks, RNB 13 RE: Denaturation
• Letter from C. E. Fawsitt to LP RE: Asks LP for information regarding Dr. M. C. Neuburger as he has written asking if there are any available positions in Sydney. [Filed under: N: Correspondence, Box #287, Folder #287.5]
• Letter from LP to Miss Sage, C. I. T. RE: LP requests that Mr. Strickler's August check be cancelled as he was away for the month. [Filed under LP Science: Box #14.038, Folder #38.3]
• Letter from LP to Prof. J. Papish, Cornell University. [Papish's last letter June 18, 1938] [Filed under LP Books: Box 1939b, Folder 1939b.2]

  September 19, 1938

  Professor J. Papish

  Department of Chemistry

  Cornell University

  Ithaca, New York

  Dear Professor Papish:

  Over two and one-half months ago I sent to Dr. Hughes the manuscript of my book on the "Nature of the Chemical Bond". Dr. Hughes went through the manuscript and turned it over to the Press before leaving Ithaca at the beginning of July. As you know, I have been planning to use the book as a text in our graduate course here this year.

  Although Dr. Hughes told me that there might be a slight delay because of Mr. Schaeffer's injury, I have assumed that the book was being set up by the printer and that we would have copies for our students available early this fall. However, when the whole summer went by and the galley proof was not sent on to me, I wrote to you and Mr. Schaeffer to inquire about the progress of the printing. I have now received a letter from Mr. Schaeffer in which he says that he could not proceed with publishing the book during the summer because approval of publication had not been given by the Committee on Publication and that he is still holding up the printing until this Committee meets.

  In order to make the quality of the book as high as possible, I included in the manuscript much material beyond that given in the Cornell lectures, and I worked hard last spring to get the manuscript finished in time for publication for use during the coming academic year. I feel that the delay of two and one-half months or more in publication

  Profossor J. Papish September 18, 1938

  because of the failure of the Committee on Publication to approve the manuscript is inexcusable. If I had known at the beginning of summer that this delay was contemplated I might have done something about it. I know that there is no way to make up for the two and one-half months which hare been lost, but I would like to ask you to do everything possible to speed up the printing, in order that the-book may be available for use here as early as possible in the year.

  Yours truly,

  Linus Pauling

  LP/ocs

• Letter from LP to W. S. Schaeffer, Cornell University Press, RE: LP thanks Schaeffer for his letter concerning the delay in printing of his book and hopes that he will inform him of the program for publication of the book henceforth. [Schaeffer's letter September 14, 1938] [Filed under LP Books: Box 1939b, Folder 1939b.2]

• Letter from LP to Dr. E. Rabinowitch RE: LP is sorry that Soller has not yet answered his letter and thinks it probable that he may be out of town. [Rabinowitch's letter: September 15, 1938] [Filed under: R: Individual Correspondence, Box #326, Folder #326.1]
• Letter from LP to Dr. Gilbert King RE: LP has already recommended a couple of men for the post at Cincinnati and thinks it better not to add another to the list. [Filed under: K: Correspondence, Box #200, Folder #200.3]
• Letter from LP to K. J. Palmer RE: LP was glad that Palmer's x-ray work and everything else is coming along well. LP is especially interested in his work on substances extracted from the spinal fluid of a cow. [Filed under: LP Correspondence, Box #304, Folder #304.3]
• Letter from LP to Mrs. Hallberg RE: The Crellin Laboratory is not interested in buying formulas relating to vitamins. [Filed under: H: Correspondence, Box #165, Folder #165.3]
• Letter from LP to Professor Helen S. French RE: Informs her that they would be glad to have her spend the second half of the academic year at CIT. [Filed under: F: Individual Correspondence, Box #121, Folder #121.15]
• Letter from LP to Professor J. B. Sumner RE: LP explains that he is now planning to extend his magnetic investigations on hemoglobin to other conjugated proteins containing iron and is hoping that catalase can be investigated in this way. [Filed under: S: Correspondence, Box #377, Folder #377.8]
• Letter from LP to Professor Wilson RE: LP submits for publication in the Proceedings of the National Academy of Sciences the accompanying manuscript on "A Titanothere from the Type Sespe of California." [Filed under: W: Individual Correspondence, Box #438, Folder #438.4].

• Letter from J. G. Kirkwood to LP RE: Thanks LP for the hospitality that was extended to his over the summer. [Filed under: K: Individual Correspondence, Box #198, Folder #198.12]
• Letter from Mr. James S. Thompson to LP RE: Thanks LP for his letter in which he commented on the Rice manuscript. Thompson encloses the honorarium of $25 for LP. Asks if it is ok to give the author LP's name as a reader. [Filed under LP Correspondence: Box #253, Folder #253.1]

• Letter from Joseph Hirschfelder to LP RE: Explains his interest in developing inexpensive and accurate molecular models of the H. A. Stuart type. Enclosed are his proposed specifications of atomic models. [Filed under: H: Individual Correspondence, Box #159, Folder #159.8]
• Letter from L. O. Brockway to LP RE: Is currently back at Ann Arbor and is beginning to set things up again. States that he was given $1000.00 for extra equipment, a voltage control and high capacity filter in order to attempt to reach s=40. Has just finished up a reinvestigation of C6 (CH3)6 showing the methyl bond length and ring size. Asks many other questions including has anyone checked the Oxford measurements on the CCl4 photos and how the Chemical Bond is coming. Asks if it is ok to pay him back next summer. [Filed under LP Correspondence: Box #31, Folder #31.11]
• Letter from LP to Dr. David Harker RE: Is sorry to report that he does not have extra Laue tube but will be willing to send an old one with a good filament to be reconditioned before its use. [Filed under: H: Individual Correspondence, Box #151, Folder #151.10]
• Letter from LP to Mr. Herbert H. G. Nash RE: LP informs Nash that Mr. Einar Iverson has been appointed Instrument Maker in Chemistry in place of Mr. Newton. He will be paid $150 per month. [Filed under: N: Correspondence, Box #287, Folder #287.5]
• Letter from Oscar K. Rice to Mr. Thompson RE: Rice has looked over the referee's remarks but will be unable to consider the specific suggestion until the manuscript is returned as he copy does not match in page numbers. [Filed under LP Correspondence: Box #253, Folder #253.1]

• Letter from D. E. Clark, Superintendent, Kelco Company RE: The Kelco Company agrees to LP's terms in re: to a fellowship with friendly and informal cooperation between the company and C. I. T. Discusses terms of payment, supplies, etc. [LP's reply to Clark September 26, 1938] [Filed under LP Science: Box #14.038, Folder #38.3]
• Letter from LP to Mr. Hertenstein RE: LP asks that the same arrangements regarding locking the Gates and Crellin Laboratory as last Spring be made. [Filed under: H: Correspondence, Box #165, Folder #165.3]
• Letter from LP to Mr. James S. Thompson RE: LP asks that his name not be given to Dr. Rice as it might lead to a delicate situation. LP explains that he has know Dr. Rice for quite sometime and does not want to cause problems between them. [Filed under LP Correspondence: Box #253, Folder #253.1]

• AHP writes cheque to: Wesley Unfried amount $3 [Filed under LP Biographical: Box #4.014, Folder #2]
• Letter from James S. Thompson to LP RE: Thompson is glad to reply with LP's request to withhold his name from Doctor Rice. [Filed under LP Correspondence: Box #253, Folder #253.1]
• Letter from LP to D. E. Clark, Superintendent, Kelco Company RE: LP accepts the $850.00 from the Company for support of the study of alginates. It would be convenient if the sum was paid in five equal installments and Prof. Lucas will keep the company informed re: the study's progress. W. T. Stewart will hold the fellowship this year. [Clark's letter to LP September 24, 1938] [Filed under LP Science: Box #14.038, Folder #38.3]
• Letter from LP to Dr. Hirschfelder RE: LP is interested to learn of his plans to build molecular models of the H. A. Stuart type and informs him that the suggested specifications seem satisfactory. [Filed under: H: Individual Correspondence, Box #159, Folder #159.8]
• Letter from LP to Dr. L. O. Brockway RE: Is happy to hear positive reports on his behavior as a Guggenheim Fellow. Updates Brockway on what is happening in the lab. Springhall has completed the interpretation of methyl acetylene photographs and they are almost identical with Brockway's. The publication of the Chemical Bond has been held up because the Committee on Publications overlooked its approval and thus it won't be ready until January. [Filed under LP Correspondence: Box #31, Folder #31.11]
• Letter from LP to E. C. Barrett, C. I. T. RE: LP requests certain changes in the fellowship budget. [Filed under LP Science: Box #14.038, Folder #38.3]

• Letter from David Harker to LP RE: Regrets to say that his comment on the Wrinch and Langmuir paper was hasty and that their interpretation is correct. Asks LP for an old Laue tube. [Filed under: H: Individual Correspondence, Box #151, Folder #151.10]
• Letter from LP to Dr. Ferdinand Ringer RE: LP regrets to say that it is not possible to found a professorship of the type mentioned in his letter at CIT. [Ringer's letter: September 14, 1938 ] [Filed under: R: Correspondence, Box #340, Folder #340.3]

• AHP writes cheque to: Betty Vanderlaan amount $28 [Filed under LP Biographical: Box #4.014, Folder #2]
• AHP writes cheque to: Nellie Durby amount $2.75 [Filed under LP Biographical: Box #4.014, Folder #2]
• AHP writes cheque to: Rose Vanderlaan amount $46.67 [Filed under LP Biographical: Box #4.014, Folder #2]
• Letter from LP to Chemical Rubber Company RE: Thanks them for sending a copy of "Chemical Tables and Handbook of Chemistry and Physics." [Filed under LP Correspondence, Box #74, Folder #74.6]
• Letter from W. E. Bradt, University of Maine, to LP RE: Congratulates LP for the opening of the Crellin Laboratory and asks LP for a copy of the plans and specifications as the University of Maine now considers construction of a new lab as well. [LP's reply: October 6, 1938] [Filed under LP Correspondence: Box #37, Folder #37.5]
• Manuscript: First Seminar Talk, Remarks to the Division of Chemistry and Chemical Engineering, [re: overview of the department] California Institute of Technology, Pasadena [LP Speeches 1938s.6]

• AHP writes cheque to: A. H. Shaw amount $2.50 [Filed under LP Biographical: Box #4.014, Folder #2]
• Letter from LP to Dr. Carl Niemann RE: LP informs Niemann that Mr. Earrett will be sending over the check for the remainder of last year's salary and that his letter will be returned as well. [Filed under: N: Individual Correspondence, Box #277, Folder #277.5]
• Letter from LP to Professor Tolman RE: Explains that one of the Industrial chemists has will be appointed for the teaching position. [Filed under: T: Individual correspondence, Box #407, Folder #407.7]

• AHP writes cheque to: Theodore Ackerschott amount $85 [Filed under LP Biographical: Box #4.014, Folder #2]
• American Association for Advancement of Science, Statement of Income and Expenses for the fiscal Year ended Sept. 30, 1938. [Filed under LP Science: Box #14.001, Folder #1.1]
• Inter-Department Communication from A. O. Beckman to LP RE: Summary of shop workers' hours and salaries. [Filed under LP Science: Box #14.038, Folder #38.3]
• Letter from LP to E. C. Barrett, C. I. T. RE: Salaries of appointments made from the Rockefeller Fund for Alex Logatcheff and Bill Schuelke. [Filed under LP Science: Box #14.038, Folder #38.3]
• Telegram from LP to Warren Weaver, Director, The Natural Sciences-Rockefeller Foundation RE: LP requests Weaver extend to Zechmeister an invitation to deliver three lectures on chromatography caratenoids and polysaccharides at C. I. T. at his convenience. C. I. T. can provide $200 plus Pasadena expenses. [Weaver's reply October 3, 1928] [Filed under LP Science: Box #14.038, Folder #38.6]