Receipt of purchase of a monoplane ("Spirit of St. Louis") from Ryan Airlines, Inc., San Diego, Calif., signed Charles A. Lindbergh, February 25, 1927, D02631. Missouri Historical Society Library and Research Center.

Receipt of purchase of a monoplane ("Spirit of St. Louis") from Ryan Airlines, Inc., San Diego, Calif., signed Charles A. Lindbergh, February 25, 1927, D02631. Missouri Historical Society Library and Research Center. https://mohistory.mobiusconsortium.org/repositories/2/digital_objects/2853 Accessed September 19, 2024.