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• Manuscript Lecture Notes: Wave Mechanics with Chemical Applications, Ch 156a, 19p [LP Bio: Academia Box 1.010, Folder 3]
• Newspaper Clipping: "Modern Crystal Gazing," William H. Brewster, The Oregonian. [Newspaper Clippings: 1931n.10]

• AHP writes cheque to: Commercial Credit Company amount $23.30 [Filed under LP Biographical: Box #4.011, Folder #2]
• AHP writes cheque to: Pashgian Brothers amount $50 [Filed under LP Biographical: Box #4.011, Folder #2]
• AHP writes cheque to: William D. Crane amount $100 [Filed under LP Biographical: Box #4.011, Folder #2]
• LP writes cheque to: Boris Podolsky amount $50 [Filed under LP Biographical: Box #4.011, Folder #2]
• Letter from Sara W. Prentiss, Corvallis to LP and AHP RE: Congratulating LP on the A. C. S. Award in Pure Chemistry and updating them on old friends and news in Oregon. [LP Scrapbooks 6.002.3]

• AHP writes cheque to: Mrs. Robert Mulliken amount $6 [Filed under LP Biographical: Box #4.011, Folder #2]
• American Chemical Society, Prize for meritorious work in pure chemistry, [A.C. Langmuir Prize] Certificate. [Includes program, background material] [LP Awards and Honors 1931h.1]
• Magazine article: The Nation, vol. 133, no.3452 RE: Brief feature on pg. 217 congratulating LP on winning the Langmuir Prize. [LP Scrapbooks 6.002.11]
• Newspaper Clipping: "Chemists Rush to Fill Depression," Double Bond, Jr. [Newspaper Clippings: 1931n.7]
• Newspaper Clipping: "Pauling Will Accept Cash," Double Bond Jr. [Newspaper Clippings: 1931n.7]
• Newspaper clippings from the Buffalo Evening News about the Langmuir Prize. [LP Scrapbooks 6.002.8]
• Note from M. Gomberg, President of the American Chemical Society to LP RE: Congratulating LP on the A. C. S. Prize in Pure Chemistry. [LP Scrapbooks 6.002.3]
• Photo: Dark pencil sketch of Linus Pauling, in profile. Original from cartoon by Wllr in Double Bond, Jr., of the 82nd Meeting of the American Chemical Society, 2 Sept. 1931. [LP Photo Box, 1931i.41]
• Program from the American Chemical Society 82nd Meeting, Buffalo Consistory: LP will speak on "Crystal Structure and the Nature of the Chemical Bond" [LP Scrapbooks 6.002.14]
• Telegram from Bill Tulley to LP RE: Congratulating LP on the A. C. S. Prize in Pure Chemistry. [LP Scrapbooks 6.002.2]

• Clippings from The New York Times, The Boston Christian Science Monitor about LP and the Langmuir Prize [LP Scrapbooks 6.002.9]
• Letter from Edward C. Barrett to LP, RE: Barrett is sending LP official notice that he has been promoted from Associate Professor to Professor of Theoretical Chemistry by the Board of Trustees. [Filed under LP Safe Contents, Drawer 2, Folder 2.005.40c]
• Newspaper Clipping: "Chemistry Medal Presented to Tone," Buffalo (New York) Evening News. [Newspaper Clippings: 1931n.8]
• Newspaper Clipping: "Simplicity of Eigen-Function is Demonstrated," Double Bond Jr. [Newspaper Clippings: 193n1.9]
• Newspaper: Double Bond, Jr. Joke newspaper from the 82nd A. C. S. Meeting. This edition features "Simplicity of Eigen-function is demonstrated," stating the only matter requiring explanation is not the Eigen-function but how LP could discuss it for so long. [LP Scrapbooks 6.002.13]

• Newspaper clippings from the Boston Christian Science Monitor about the Langmuir Prize. [Filed under LP Biographical: Box #6.002, Folder #2.8]
• Newspaper clippings from the New York Herald Tribune about the Langmuir Prize. [LP Scrapbooks 6.002.7]
• Newspaper clippings from the New York Sun about LP "stumping" Einstein during a lecture at CIT, which Einstein claimed not to understand. [LP Scrapbooks 6.002.8]

• Reprint: Kracek FC, Hendricks SB and Posnjak E. "Group Rotation in solid ammonium and calcium nitrates." Reprinted from Nature 128, 410-411 (1931) [LP Science Box 1.001, Folder 5]

• Postcard from Greta B. Millikan to LP RE: Congratulating LP on the A. C. S. Prize in Pure Chemistry. [LP Scrapbooks 6.002.2]

• Note from Oscar Rice to LP RE: Congratulating LP on the A. C. S. Prize in Pure Chemistry. [LP Scrapbooks 6.002.3]

• Magazine article: Industrial and Engineering Chemistry News Edition, vol. 9, no. 17 RE: Write-up on the A. C. S. meeting in Buffalo featuring LP's award of the Langmuir Prize. [LP Scrapbooks 6.002.11]

• Letter from Paul D. V. Manning, Pacific Coast Editor of Chemical and Metallurgical Engineering to LP RE: Congratulating LP on the A. C. S. Prize in Pure Chemistry. [LP Scrapbooks 6.002.3]

• AHP writes cheque to: Barker Brothers, Inc. amount $46 [Filed under LP Biographical: Box #4.011, Folder #2]
• AHP writes cheque to: Encyclopedia Britannica amount $16.30 [Filed under LP Biographical: Box #4.011, Folder #2]

• AHP writes cheque to: Miss Margaret O'Brien amount $100 [Filed under LP Biographical: Box #4.011, Folder #2]

• AHP writes cheque to: Athenaeum amount $2 [Filed under LP Biographical: Box #4.011, Folder #2]
• AHP writes cheque to: Bullock's amount $220.20 [Filed under LP Biographical: Box #4.011, Folder #2]
• AHP writes cheque to: City of Pasadena amount $3.74 [Filed under LP Biographical: Box #4.011, Folder #2]
• AHP writes cheque to: City of Pasadena amount $5.04 [Filed under LP Biographical: Box #4.011, Folder #2]
• AHP writes cheque to: F. C. Nash & Co. amount $3.55 [Filed under LP Biographical: Box #4.011, Folder #2]
• AHP writes cheque to: Golden State Company, Ltd. amount $5.07 [Filed under LP Biographical: Box #4.011, Folder #2]
• AHP writes cheque to: Hancock Music Company amount $37 [Filed under LP Biographical: Box #4.011, Folder #2]
• AHP writes cheque to: Los Angeles Gas & Electric Corp. amount $3.19 [Filed under LP Biographical: Box #4.011, Folder #2]
• AHP writes cheque to: Southern California Telephone Company amount $3.56 [Filed under LP Biographical: Box #4.011, Folder #2]
• AHP writes cheque to: T. W. Mather & Co. amount $3.95 [Filed under LP Biographical: Box #4.011, Folder #2]
• Article from Time RE: Calls the high-point of the Buffalo meeting LP's acceptance of the Langmuir prize. [LP Scrapbooks 6.002.15]

• AHP writes cheque to: Sanitary Laundry amount $5.04 [Filed under LP Biographical: Box #4.011, Folder #2]

• AHP writes cheque to: Real Silk Hosiery Mills amount $6.66 [Filed under LP Biographical: Box #4.011, Folder #2]

• Clipping from The Los Angeles Times about LP and the Langmuir Prize [LP Scrapbooks 6.002.10]

• Letter from Albert L. Barrows, Assistant Secretary, National Research Council to LP RE: Informing Barrett that the second installment of LP's grant money will be sent within a few days and requests that he fill out an expenditure report. [LP Science Box 14.027, Folder 2]

• AHP writes cheque to: Mrs. M. M. Fillmore amount $8.85 [Filed under LP Biographical: Box #4.011, Folder #2]

• AHP writes cheque to: Sanitary Laundry amount $2.33 [Filed under LP Biographical: Box #4.011, Folder #2]

• AHP writes cheque to: Connecticut Mutual Life Insurance Company amount $14.43 [Filed under LP Biographical: Box #4.011, Folder #2]
• Telegram from JC Slater to LP, RE: Announces visiting lecturers in the new catalogue and asks if LP is coming. Informs LP that if the compensation that Compton mentioned was not sufficient, a slight addition might be possible. Asks if LP will participate in the symposium on the structure of matter. [Filed under LP Personal Safe: Drawer 2, Folder 2.003.40]

• AHP writes cheque to: Martin Casey amount $15 [Filed under LP Biographical: Box #4.011, Folder #2]

• AHP writes cheque to: Bell and Cooley amount $0.84 [Filed under LP Biographical: Box #4.011, Folder #2]

• AHP writes cheque to: Maurice L. Huggins amount $1.25 [Filed under LP Biographical: Box #4.011, Folder #2]

• AHP writes cheque to: Mrs. M. M. Fillmore amount $10 [Filed under LP Biographical: Box #4.011, Folder #2]