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• AHP writes cheque to: F. N. Chamberlain amount $8 [Filed under LP Biographical: Box #4.012, Folder #2]
• AHP writes cheque to: Mrs. E. Stahevitch amount $9 [Filed under LP Biographical: Box #4.012, Folder #2]

• AHP writes cheque to: Sigrid v.t. Ward amount $3.41 [Filed under LP Biographical: Box #4.012, Folder #2]
• Lecture Notes: Introduction to Quantum Mechanics with Chemical Applications- 36th Lecture, The Physical Interpretation of the Wave Equation [Filed under LP Biographical: Academia Box 1.010, Folder 6]

• LP writes cheque to: Fortiner and Land amount $22.12 [Filed under LP Biographical: Box #4.012, Folder #2]

• LP Research Notebooks, RNB 06 RE: Notes and X-ray diffraction data - Lepidolite [LP and Sidney Weinbaum]
• LP Research Notebooks, RNB 10 RE: Discussion of microphotometer curves of benzene
• Lecture Notes: Introduction to Quantum Mechanics with Chemical Applications- 37th Lecture, The Discussion of an Idealized Illustration [LP Bio: Academia Box 1.010, Folder 6]
• Manuscript Notes, Data: "Microphotometer Record - Benzene" [LP Science Box 1.002, Folder 3]

• Manuscript Notes, Data: "Microphotometer Record - Benzene" [LP Science Box 1.002, Folder 3]

• Letter from T. B. Johnson to LP RE: Is sending LP (by separate mail) a sample of the new sterol, ostreterol which comes from oysters and speaks of his plan to isolate another type of sterol from the chrysalis oil from the silk worm. [Filed under: J: Correspondence, Box #192.2]
• Manuscript Notes, Data: "Microphotometer Record - Benzene" [LP Science Box 1.002, Folder 3]

• Lecture Notes: Introduction to Quantum Mechanics with Chemical Applications- 38th Lecture, Experiments which are not Maximal [Filed under LP Biographical: Academia Box 1.010, Folder 6]

• Note from W. Y. Penny to LP RE: Explains his interest in his papers on resonance in complicated CH molecules and thus asks for reprints of several articles. Also, he asks for some clarification in regards to several issues. [Filed under: LP Books, 1939b.2]

• AHP writes cheque to: Adohr Milk Farms amount $15.67 [Filed under LP Biographical: Box #4.012, Folder #2]
• AHP writes cheque to: Arroyos Poultry Farm amount $3.57 [Filed under LP Biographical: Box #4.012, Folder #2]
• AHP writes cheque to: Athenaeum amount $9.09 [Filed under LP Biographical: Box #4.012, Folder #2]
• AHP writes cheque to: Augustine Wilson amount $44 [Filed under LP Biographical: Box #4.012, Folder #2]
• AHP writes cheque to: Bullock's amount $8.81 [Filed under LP Biographical: Box #4.012, Folder #2]
• AHP writes cheque to: City of Pasadena amount $7.97 [Filed under LP Biographical: Box #4.012, Folder #2]
• AHP writes cheque to: Collector of Internal Revenue amount $31.66 [Filed under LP Biographical: Box #4.012, Folder #2]
• AHP writes cheque to: Connecticut Mutual Life Ins. Co., amount $14.43 [Filed under LP Biographical: Box #4.012, Folder #2]
• AHP writes cheque to: Goodes Seed and Feed Store amount $7.27 [Filed under LP Biographical: Box #4.012, Folder #2]
• AHP writes cheque to: Gould and Attlesay amount $8 [Filed under LP Biographical: Box #4.012, Folder #2]
• AHP writes cheque to: J. Herbert Hall amount $50 [Filed under LP Biographical: Box #4.012, Folder #2]
• AHP writes cheque to: Pasadena Corset Shop amount $11.89 [Filed under LP Biographical: Box #4.012, Folder #2]
• AHP writes cheque to: Southern California Telephone Co., amount $3.30 [Filed under LP Biographical: Box #4.012, Folder #2]
• AHP writes cheque to: Standard Oil Co. Of California amount $7.25 [Filed under LP Biographical: Box #4.012, Folder #2]
• AHP writes cheque to: The Model Grocery Co., amount $21.29 [Filed under LP Biographical: Box #4.012, Folder #2]
• AHP writes cheque to: William D. Crane amount $85 [Filed under LP Biographical: Box #4.012, Folder #2]
• LP Research Notebooks, RNB 09 RE: Summary of measurements of Benzene and microphotometer records (March 14-April 6, 1934). [Filed under LP Research Notebooks: Research Notebook 9: 078]

• Individual Income Tax Return for Calendar Year 1933 [LP Bio: Business and Financial Box 4.001, Folder 1]
• Test Key: Crystal Structure, Ch 157b Examination (Time: 3 hours. The Strukturbericht and the point group charts may be used; other books and notes are not to be consulted). [Filed under LP Biographical: Academia Box 1.010, Folder 8]

• Letter from W.A. Gale, Director of Research of the American Potash and Chemical Corporation, to LP, RE: Informs LP that they are sending him four copies of his affidavit. Notes that reference is made to nine samples, instead of the original seven, and that the results of the tests of the pentahydrate and borax glass have been included. Asks LP to read over the affidavit and execute it before a Notary before forwarding it to Messrs. Lyon & Lyon. Tells LP that the photographs attached to one of the carbon copies are there to include the notes he made on the negatives and that this copy may be retained by LP for his files. [Filed under LP Personal Safe: Drawer 3, Folder 3.018.21]

• LP writes cheque to: Security First National Bank of Los Angeles amount #30 [Filed under LP Biographical: Box #4.012, Folder #2]

• Letter in German from Georg Rumer to LP. [Filed under LP Safe Contents: Drawer 3, Folder 3.018.181]

• United States Patent Affidavit of LP RE: Refers to his research for the American Potash and Chemical Corporation using X-rays to study different materials to determine which were crystalline and which were amorphous. Attached are the prints of photographic film negatives of several tests, labeled "Exhibit 1." [Filed under LP Personal Safe: Drawer 3, Folder 3.018.25]

• LP writes cheque to: ? Amount $5 [Filed under LP Biographical: Box #4.012, Folder #2]
• Letter from LP to Mr. W.E. Burke, American Potash and Chemical Corporation, RE: Informs him that he forwarded three copies of his affidavit to Mr. Lyon and outlines the statement of his fee, totaling $215.00. [Filed under LP Personal Safe: Drawer 3, Folder 3.018.18]

• Letter from F. W. Willard, National Research Council to LP RE: Requesting up-to-date report of work done under grants-in-aid. [LP's reply May 12, 1934] [LP Science Box 14.027, Folder 2]

• Invoice for LP, sender unknown. [Filed under LP Safe Contents: Drawer 3, Folder 3.018.24]
• Lecture Notes: Introduction to Quantum Mechanics with Chemical Applications- 39th Lecture, The Hydrogen Molecule-Ion [LP Bio: Academia Box 1.010, Folder 6]
• Letter from W.E. Burke, California Manager of the American Potash and Chemical Corporation, to LP, RE: Acknowledges receipt of LP's statement about his recent X-Ray crystal study research and says that it has been given to the Accounting Department and that payment will be made soon. Expresses his appreciation of the interest LP took in this work. [Filed under LP Personal Safe: Drawer 3, Folder 3.018.23]

• AHP writes cheque to: Sanitary Laundry amount $3.05 [Filed under LP Biographical: Box #4.012, Folder #2]