- Bill from Westridge School for Linda. Map, Lunches, Phone. $182.83 [LP Biographical: Business and Financial 4.059, folder 59.3]
- Chemistry 221b. Nature of the Chemical Bond Final Examination. 8 a.m. to 11 a.m. (Three hours). [Filed under LP Biographical: Academia: Box 1.014, Folder 14.4]
- Itinerary: Interview for recording, Newark. South Jersey Section ACS, Woodbury; Woodbury Country Club, dinner and meeting. stay at Du Pont Hotel [Filed under LP Travel Materials: 1932-1954: Box #1.001 Folder #1.7]
- LP attends conference in Washington on Foreign Policy
- Letter from Alden H. Emery, Executive Secretary, ACS to Roger Adams, Chairman, Board of Directors, ACS RE: Discusses complications in the discussion of the dismissal of Ralph Spitzer from Oregon State College. There are two different groups looking into the matter. The groups have different meeting times but the one that meets first relies on a decision made by the one that meets second. This poses a problem and Mr. Emery is trying to bring attention to that problem. [Filed under LP Biographical: Political Issues: Ralph Spitzer: Academic Freedom and Passport Difficulties, 1942-1994: Box #2.034, Folder 34.2]
- Letter from Alden H. Emery, Executive Secretary, to LP. RE: Informs him of the financial situation of the Division of Biological Chemistry. Sees no reason for it to be discusses with the Board of Directors. [Filed under LP Science: American Chemical Society: Correspondence, 1948-1949: Box #14.004 Folder #4.2]
- Letter from Executive Secretary to Prof. Arne Tiselius, c/o Dr. Michael Heidelberger, RE: Informs Tiselius of his hotel reservation in San Francisco on March 27, and the changes in the travel itinerary on April 13. [Letter from Prof. Arne Tiselius to LP February 14, 1949, travel itinerary for Prof. and Mrs. Tiselius 4-49] [Filed under LP Correspondence: #407.5]
- Letter from George A. Baitsell, Society of the Sigma Xi, to the Members of the Executive Committee RE: States that the Executive Committee will meet on April 27, 1949 at the Cosmos Club in Washington, D.C. Encloses a copy of the Tentative Agenda for the Executive Committee Meeting. [Letter from George A. Baitsell to the Members of the Executive Committee February 11, 1949, telegram from LP to Dr. George A. Baitsell April 25, 1949] [Filed under LP Correspondence: #375.2]
- Letter from George Pepper to LP RE: Says he is glad to know Ralph Spitzer will be in LA after the 23rd of March. Agrees with LP that it might be useful to arrange a meeting with him. [Letter from LP to George Pepper March 10, 1949] [Filed under LP Biographical: Political Issues: Ralph Spitzer: Academic Freedom and Passport Difficulties, 1942-1994: Box #2.034, Folder 34.2]
- Letter from Nathan L. Drake, Chairman, Committee on Membership Affairs, to Dr. John Herman. RE: Acknowledges his letter to LP. Informs him that there isn't enough evidence presented as of yet. Informs him that Condit will preside over the next meeting. Informs him that all evidence must be in document form. [Filed under LP Science: American Chemical Society: Materials re: Committees and Awards 1938-1950: Box #14.008 Folder #8.12]
- Letter from Ricardo Ferreira, Escola de QuÃmica of the Universidade de Recife, to LP [in response to February 21, 1949 letter] RE: Sends corrections for LP's book General Chemistry, including typographical errors as well as values for constants and the strength of acids. Also mentions he will be staying in Brazil to complete his undergraduate work, as he has been appointed Instructor of Physical Chemistry at the Escola de QuÃmica of the Universidade do Recife. [Letters from LP to Ferreira February 21, 1949, March 25, 1949] [Filed under LP Correspondence: Box #119.7, file:(Ferreira, Ricardo)]
- Letter from W. A. McMillan, Texas Company, to Alden H. Emery, Executive Secretary. RE: Accepts appointment to the Standing Committee on Local Sectional Activities. [Filed under LP Science: American Chemical Society: Materials re: Committees and Awards, 1938-1950: Box #14.008 Folder #8.11]
- Letter to LP from George Pepper enclosing a letter that illustrates what is happening to progressive people.
- Letter to LP from George Pepper regarding people that might be persuaded to donate money to the Bulletin of Atomic Scientists.