United States. National Advisory Committee for Aeronautics, United States. National Aeronautics and Space Administration · Washington : G.P.O. · leaf 432
r/^. 9 396 ANNUAL KKPORT NATIONAL ADVISORY COMMITTEK FOR AKRONAUTICS.
Aeronautics
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
