Hugh L. Dryden's Career in Aviation and Space. Monograph in Aerospace History, No. 5, 1996Gorn, Michael H., NASA History Division · First published 2011Open the Tome
NASA's Origins and the Dawn of the Space Age. Monograph in Aerospace History, No. 10, 1998David S.F. Portree, NASA History Division · First published 2011Open the Tome
