1930
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"The Treatment of Multiple Crossovers" Page 1. January 12, 1931
"The Treatment of Multiple Crossovers" January 12, 1931. Page 1  Larger Images / More Information. 6 pp.

Activity Listings

  • AHP writes cheque to: A. C. Vroman amount $5 [Filed under LP Biographical: Box #4.011, Folder #2]
  • AHP writes cheque to: Athenaeum amount $3.05 [Filed under LP Biographical: Box #4.011, Folder #2]
  • AHP writes cheque to: MacMarr Stores, Inc. amount $5 [Filed under LP Biographical: Box #4.011, Folder #2]
  • AHP writes cheque to: The Faculty Club amount $0.50 [Filed under LP Biographical: Box #4.011, Folder #2]
  • Letter from LP to A. R. Goldfarb RE: LP advises Goldfarb to apply for a teaching fellowship at CIT, but warns him about the limited space. [Goldfarb's letter January 9, 1931; Goldfarb's reply January 22, 1931] [Filed under G: Individual Correspondence, Box #136.18]