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"Theory of Color of Organic Substances" Page 1. June 26, 1939
"Theory of Color of Organic Substances" June 26, 1939. Page 1  Larger Images / More Information. 10 pp.

Activity Listings

  • Letter from Gretchen P. Vosburgh, Secretary to Irving Langmuir to LP RE: Thanking LP for the copy of The Nature of the Chemical Bond for Langmuir, who is ill and out of the office. [LP's last letter June 2, 1939] [Filed under LP Correspondence: Box #212, Folder #212.9]
  • Letter from Ralph A. Beebe, Amherst College to LP RE: Encloses copy of letter to Dr. Helmholz explaining why he was not hired at this time. [LP's reply to Beebe July 25, 1939] [Filed under LP Correspondence: Box #165, Folder #165.4]