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• LP Research Notebooks, RNB 08 RE: July [?] 1933: Determination of the pseudo-structure. [Filed under LP Research Notebooks: Research Notebook 8: 53]
• LP Research Notebooks: July [?] 1933: Space-group discussion of structure. [Filed under LP Research Notebooks: Research Notebook 8: 053-056]
• Photo: Linda Pauling holding a small stuffed dog. "Linda Helen Pauling, Age 13 months, July 1933" "G. Edwin Williams, Pasadena / A Portrait by G. Edwin Williams / 620 Sough Lake Ave., Pasadena", black and white print. [Ship #771] [LP Photo Box, 1933i.20]
• Photo: Linda Pauling putting her hand in a bowl. "Linda Helen Pauling, Age 13 months, July 1933" "G. Edwin Williams, Pasadena / A Portrait by G. Edwin Williams / 620 Sough Lake Ave., Pasadena", black and white print. [Ship #770] [LP Photo Box, 1933i.19]
• Photo: Linda Pauling. "Linda Helen Pauling, Age 13 months, July 1933"G. Edwin Williams, Pasadena / A Portrait by G. Edwin Williams / 620 Sough Lake Ave., Pasadena", black and white print. [Ship #772] [LP Photo Box, 1933i.21]

• LP writes cheque to: Milton M. Miller amount $30 [Filed under LP Biographical: Box #4.012, Folder #1]

• LP and J. Sherman. The Nature of the Chemical Bond. VII. The Calculation of Resonance Energy in Conjugated Systems. Journal of Chemical Physics 1 (10): 679-686. Received for publication July 3, 1933, published October 1933. [Filed under LP Publications: Box 1933p, Folder 1933p.12]

• AHP writes cheque to: Augustine Wilson amount $80 [Filed under LP Biographical: Box #4.012, Folder #1]
• AHP writes cheque to: Berkeley Ice Company amount $1.96 [Filed under LP Biographical: Box #4.012, Folder #1]
• AHP writes cheque to: H. B. Crane amount $1 [Filed under LP Biographical: Box #4.012, Folder #1]
• AHP writes cheque to: William D. Crane amount $85 [Filed under LP Biographical: Box #4.012, Folder #1]

• LP writes cheque to: Edward W. Neuman amount $50 [Filed under LP Biographical: Box #4.012, Folder #1]

• AHP writes cheque to: Athenaeum amount $2 [Filed under LP Biographical: Box #4.012, Folder #1]
• AHP writes cheque to: Automobile Club Southern California amount $39.51 [Filed under LP Biographical: Box #4.012, Folder #1]
• AHP writes cheque to: Golden State Company Ltd., amount $15.36 [Filed under LP Biographical: Box #4.012, Folder #1]
• AHP writes cheque to: James Ernest Harvey, M.D., amount $16 [Filed under LP Biographical: Box #4.012, Folder #1]
• AHP writes cheque to: Joseph Brown amount $6.50 [Filed under LP Biographical: Box #4.012, Folder #1]
• AHP writes cheque to: Los Angeles Gas and Electric Corporation $6.36 [Filed under LP Biographical: Box #4.012, Folder #1]
• AHP writes cheque to: Model Grocery Company, amount $3.60 [Filed under LP Biographical: Box #4.012, Folder #1]
• AHP writes cheque to: National Academy of Sciences amount $10 [Filed under LP Biographical: Box #4.012, Folder #1]
• AHP writes cheque to: Pauline Stockton amount $5 [Filed under LP Biographical: Box #4.012, Folder #1]
• LP writes cheque to: George Hunt amount $256.50 [Filed under LP Biographical: Box #4.012, Folder #1]

• Letter from LP to Dr. Fred J. Allen, Chemistry Department of Purdue University. [Handwritten note from Allen to LP, October 20, 191933] [Filed under LP Personal Safe: Drawer 3, Folder 3.018.5]

  July 12, 1933

  Dr. F. J. Allen,

  Chemistry Department,

  Purdue University,

  Lafayette, Ind.

  Dear Fred:

  At last I can send you some information regarding the xenon experiments, which Dr. Yost has been carrying on, inasmuch as he is thoroughly experienced in the chemistry of the halogens. He found that he could not prepare a compound of xenon with either chlorine or fluorine by any of the means that he tried, and he has now given up the investigation. He and his student, Kaye, have sent a note on the experiments to the Journal of the American Chemical Society, in which they thank you for providing the xenon, I am sorry that the experiments have turned out in this way since I felt confident that xenon would combine with fluorine, at any rate, Yost obtained some red crystals, which he at one time thought contained xenon, but which he later decided were the pink form of hydrogen chloride.

  My wife and I have just visited Oregon, where we saw Prof Fulton, Gilbert, and a lot of other people. We had such a good time that we are thinking of spending our vacation there next year.

  With best wishes to you and Mrs. Allen, I am

  Very sincerely yours,

  LP:M

  P.S. I want to thank you very much for providing the xenon. If there is anything that I can do for you, let me know and I shall try to do it.

• Letter from LP to Dr. Lindsay Helmholz, Johns Hopkins University, RE: LP says he is glad to hear that Helholz will spent the next year at Caltech. [Filed under LP Safe Contents: Drawer 3, Folder 3.018.105]
• Letter from LP to Fred Allen, Purdue University RE: Yost could not prepare a compound of xenon with chloride or fluorine, which LP felt confidently would work. LP and AHP have just returned from a trip to Oregon. [Filed under LP Correspondence: Allen, Fred, Box #5.1, copy in box #460]