Results for "Physics"

1. 

   Letter from Asst. Secretary J. E. Graf to Captain J. N. Belkin regarding Accession No. 170298, May 16, 1945

   • Date: May 16, 1945 20th century
   • Creator: Graf, John E
   • Creator: Graf, John E

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3. 

   International Entomological Congress, Ithaca, New York - Dipterists

   • Date: 1928

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