Activity Listings
- Letter from Vernon Kellogg, Permanent Secretary, National Research Council to E. C. Barrett, Secretary, California Institute of Technology RE: Informing Barrett of LP's grant and notifying him that the $1000 will be sent in quarterly installments of $250. [LP's letter March 6, 1931] [LP Science Box 14.027, Folder 2]
- Letter from Vernon Kellogg, Permanent Secretary, National Research Council to LP RE: Acknowledgment of LP's note of March 6, 1931; informs LP that Barrett has been contacted. [LP Science Box 14.027, Folder 2]
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