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• "The second paper, "Eigenfunctions for Chemical Bonds," contains the first hybridization calculations made in detail. These calculations were made, I believe, in December, 1930, in the library at 1745 Arden Road. The results were published in the first paper of the Chemical Bond, JACS 53, 1367 (1931), mailed to the editor about February 15, 1931, and published April 6, 1931. This treatment of hybridized bond orbitals has found wide application." [Signed Linus Pauling, December 31, 1950] [Filed under LP Science Box 3.002, Folder 2]

• AHP writes cheque to: Connecticut Mutual Life Insurance Company amount $14.43 [Filed under LP Biographical: Box #4.011, Folder #1]
• LP writes cheque to: Pashgian Brothers amount $259.25 [Filed under LP Biographical: Box #4.011, Folder #1]
• Letter from S. Goudsmit to LP RE: Apologizes to LP for not writing sooner but thanks him very much for the letter he wrote the McGraw Hill Book Co and compliments him on its result. Explains that he has been very busy working on the very problem which they had discussed previously. [Filed under: LP Books, 1930b.4]

• AHP writes cheque to: Mrs. M. M. Fillmore amount $10 [Filed under LP Biographical: Box #4.011, Folder #1]
• LP writes cheque to: George B. Peagram, Treasurer, Sigma Xi amount $130 [Filed under LP Biographical: Box #4.011, Folder #1]

• AHP writes cheque to: Champlain and Bowman amount $5 [Filed under LP Biographical: Box #4.011, Folder #1]
• AHP writes cheque to: City of Pasadena amount $3.09 [Filed under LP Biographical: Box #4.011, Folder #1]
• AHP writes cheque to: City of Pasadena amount $5.04 [Filed under LP Biographical: Box #4.011, Folder #1]
• AHP writes cheque to: F. C. Nash Company amount $37.43 [Filed under LP Biographical: Box #4.011, Folder #1]
• AHP writes cheque to: Leo G. MacLaughlin Co., Inc. amount $10.50 [Filed under LP Biographical: Box #4.011, Folder #1]
• AHP writes cheque to: Los Angeles Gas and Electric Corporation amount $1.96 [Filed under LP Biographical: Box #4.011, Folder #1]
• AHP writes cheque to: Mr. William D. Crane amount $95 [Filed under LP Biographical: Box #4.011, Folder #1]
• AHP writes cheque to: Southern California Telephone Company amount $4.53
• Letter from LP to Prof. Noyes. [LP Science Box 14.037, Folder 2]

  December 3, 1930

  Dear Professor Noyes:

  I wish to recommend the appointment of Dr. Boris Podolsky (Ph.D., C.I.T., 1928 National Research Fellow, Berkeley and Leipzig, 1928-30) as Research Fellow in Physical Chemistry for the period December 15, 1930 to June 15, 1931, at a stipend of $100 per month, to carry out with me an accurate numerical solution of the wave equation for the normal state of the hydrogen molecule.

  Very truly yours,

  Linus Pauling

  LP:W

• Letter from LP to Vernon Kellogg, Secretary, National Research Council RE: LP wishes to apply for a renewal of the grant of $900 for 1931-32. [Kellogg's reply December 11, 1930] [LP Science Box 14.027, Folder 2]

• AHP writes cheque to: General Contract Purchase Corporation amount $23.30 [Filed under LP Biographical: Box #4.011, Folder #1]
• AHP writes cheque to: Pasadena Tuberculosis Association amount $1 [Filed under LP Biographical: Box #4.011, Folder #1]
• AHP writes cheque to: The Athenaeum amount $1.50 [Filed under LP Biographical: Box #4.011, Folder #1]
• AHP writes cheque to: The May Co. amount $10 [Filed under LP Biographical: Box #4.011, Folder #1]

• AHP writes cheque to: Mrs. M. M. Fillmore amount $10 [Filed under LP Biographical: Box #4.011, Folder #1]
• AHP writes cheque to: William Saylor amount $7.50 [Filed under LP Biographical: Box #4.011, Folder #1]
• Letter from A. R. Goldfarb to LP RE: Goldfarb would like to work and study at CIT and wonders what his chances of acceptance are. [LP's reply to Goldfarb December 13, 1930] [Filed under G: Individual Correspondence, Box #136.18]

• Letter from LP to Sam Goudsmit. RE: Hopes he has a good time in Europe this summer and fall. Informs him about the plans of the men at CIT. Discusses the work of Lwicky. [Filed under LP Correspondence: G: Individual Correspondence, #137.4]

• AHP writes cheque to: Mrs. Fay Ellidge amount $1.40 [Filed under LP Biographical: Box #4.011, Folder #1]
• Letter from Edward Mack, Ohio State University to LP RE: Mack regrets that LP cannot come to OSU for a quarter in 1931-32. Thanks him for the reprints he sent and informs LP that he is welcome to rework the iodine parameter values. Mack hopes to begin work on tunnel crystals this spring. [Filed under M: Correspondence 1930, Box #255.1]

• AHP writes cheque to: A. C. Vroman amount $5 [Filed under LP Biographical: Box #4.011, Folder #1]

• AHP writes cheque to: Crown Transfer and Storage Company amount $44.75 [Filed under LP Biographical: Box #4.011, Folder #1]
• LP writes cheque to: self amount $50 [Filed under LP Biographical: Box #4.011, Folder #1]
• Letter from Peter Debye to LP RE: Debye refers LP to his book Polar Molecules in which he introduces the possibility of molecules with a certain freedom of rotation in the crystal lattice in light of LP's article in the Physical Review 1930 (43) on the rotational motion of molecules in crystals. [Filed under LP Correspondence: Debye, Peter, Box #90.1]
• Letter from Vernon Kellogg, Permanent Secretary, National Research Council to LP RE: Acknowledgment of receipt of LP's note concerning renewal of $900 grant. He attaches blank application forms and informs LP that the next meeting of the Committee on Grants-in-Aid will be held in the middle of February and that LP needs to finish his application before then. [LP's letter to Kellogg December 4, 1930] [LP Science Box 14.027, Folder 2]

• AHP writes cheque to: Mrs. M. M. Fillmore amount $10 [Filed under LP Biographical: Box #4.011, Folder #1]

• LP Research Notebooks, RNB 08 RE: Brief note on work with Jamesonite. [Filed under LP Research Notebooks: Research Notebook 8: 057]

• AHP writes cheque to: Golden State Milk Products Co. amount $9.35 [Filed under LP Biographical: Box #4.011, Folder #1]
• AHP writes cheque to: J. H. Biggar Furniture Co. amount $15 [Filed under LP Biographical: Box #4.011, Folder #1]
• LP writes cheque to: Division of Motor Vehicles amount $3 [Filed under LP Biographical: Box #4.011, Folder #1]

• AHP writes cheque to: Luddye Michal amount $3.50 [Filed under LP Biographical: Box #4.011, Folder #1]
• LP writes cheque to: Cash amount $50 [Filed under LP Biographical: Box #4.011, Folder #1]
• LP writes cheque to: Myer Siegel amount $41.85 [Filed under LP Biographical: Box #4.011, Folder #1]

• Manuscript: "Genetics: Crossing-over", December 24, 1930. [LP Science box 8.001, Folder 1]

• AHP writes cheque to: Mrs. M. M. Fillmore amount $10 [Filed under LP Biographical: Box #4.011, Folder #1]

• AHP writes cheque to: Barker Brothers, Inc. amount $46 [Filed under LP Biographical: Box #4.011, Folder #1]

• LP's Final Examination in Advanced Inorganic Chemistry, Ch 175 (Grade 100) [LP Biographical: Academia Box 1.010, Folder 1]

• Letter from AHP to Richard D. Morgan amount $10
• Letter from LP to A. R. Goldfarb. [Goldfarb's letter to LP December 6, 1930] [Filed under G: Individual Correspondence, Box #136.18]

  December 31, 1930

  Mr. A. R. Goldfarb,

  6150 Greenwood Ave.,

  Chicago, Ill.

  Dear Mr. Goldfarb:

  If you desire to come to Pasadena next year, I suggest that you apply for a Teaching Fellowship in Chemistry. I must tell you, however, that the number of fellowships available is very small, for the reason that only a few men will finish their work and leave, and the laboratory is now very much overcrowded, with no relief in sight until after next year.

  This crowded condition also limits our facilities for experimental work. It would not be possible to install a special X-ray apparatus for your work, and the available apparatus, designed for use with minerals and inorganic crystals, might not be suitable. Moreover, the training which graduate students are given here is rather specialized, and I doubt that a year's work added to the two you have at Chicago would be considered sufficient for a Ph.D. If you can obtain your degree in a year at Chicago, I recommend that you plan to come here later, as a National Research Fellow, say. There should then be available more extensive laboratory facilities, too.

  Very truly yours,

  LP:M

• Letter from LP to James S. Thompson, VP of the McGraw-Hill Book Company Inc. RE: LP suggests creating an International Series in Theoretical Chemistry which is to be comprised of a series of advance text-books and monographs in chemistry. LP lists some representative topics and suggests men who would be competent enough to right about them. [Letters from Thompson to LP January 5, 1931, January 17, 1931] [Filed under LP Personal Safe: Drawer 3, Folder 3.018.159b]