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• LP writes cheque to: Reviews of Modern Physics amount $3 [Filed under LP Biographical: Box #4.011, Folder #1]

• Note from Otto Schmidt to LP RE: Handwritten in German, cannot translate. Note on top saying the letter was answered and they would come between the 7th and 10th of September. [Filed under LP Personal Safe: Drawer 3, Folder 3.018.154]

• AHP writes cheque to: Connecticut Mutual Life Insurance Company amount $11.65 [Filed under LP Biographical: Box #4.011, Folder #1]
• AHP writes cheque to: Connecticut Mutual Life Insurance Company amount $14.43 [Filed under LP Biographical: Box #4.011, Folder #1]
• AHP writes cheque to: Connecticut Mutual Life Insurance Company amount $9.50 [Filed under LP Biographical: Box #4.011, Folder #1]
• AHP writes cheque to: Office of the Assessor amount $1.48 [Filed under LP Biographical: Box #4.011, Folder #1]

• Handwritten note from Arthur A. Noyes to LP, RE: Tells LP to order the additional model and Kirchness's apparatus. Discusses the work he has been doing in the laboratory at Corona del Mar. Says that he is glad to hear LP had a chance to meet crystal structure experts at Zurich and about Berual. Informs LP that Millikan has left for the Canadian Rockies and Hudson's Bay to make cosmic ray measurements at high altitude. Tells LP that he is going to send to Bunalda his letter about an up-to-date mineralogist. [Filed under LP Personal Safe: Box #2.018, Folder #18.2]
• Letter from Curtis W. McGraw, Treasurer McGraw-Hill Book Company, Inc. To LP RE: Informs LP that there has been an accounting error in which the division of royalties were not split correctly. Dr. Goudsmit was underpaid while LP was overpaid. [Filed under: LP Books, 1930b.4]