Dedication Conference of the International Space Hall of Fame (1976 & Steinhoff, E. A. (1976). The Eagle has returned: Proceedings of the Dedication Conference of the International Space Hall of Fame, held at Alamogordo, New Mexico, from 5 through 9 October 1976. American Astronautical Society ; distributed by Univelt].

Dedication Conference of the International Space Hall of Fame (1976 and Ernst A. Steinhoff. The Eagle Has Returned: Proceedings of the Dedication Conference of the International Space Hall of Fame, Held at Alamogordo, New Mexico, from 5 Through 9 October 1976. [Alexandria, Va.] : [San Diego: American Astronautical Society ; distributed by Univelt], 1976.

Dedication Conference of the International Space Hall of Fame (1976 and Ernst A. Steinhoff. The Eagle Has Returned: Proceedings of the Dedication Conference of the International Space Hall of Fame, Held at Alamogordo, New Mexico, from 5 Through 9 October 1976. American Astronautical Society ; distributed by Univelt], 1976.