| 2. |  | Letter, 1936, to Mr. Putnam | Putnam, George Palmer, 1887-1950--Correspondence;Earhart, Amelia, 1897-1937;Purdue University;Purdue Research Foundation | Letter from the Purdue Research Foundation to George Putnam regarding funds for Amelia Earhart's "flying laboratory" airplane, 1936 [2 pages] |