March 12, 1937; "Lindy Tests the Whirlwind," same author & magazine, 1937

March 12, 1937; "Lindy Tests the Whirlwind," same author & magazine, 1937, Box: 4, Folder: 1a. Carl B. Allen Papers Regarding Early Aviation, A&M 2252. West Virginia and Regional History Center. https://archives.lib.wvu.edu/repositories/2/archival_objects/94349 Accessed December 20, 2024.