Invitation, program, and chronological record of ceremonies inaugurating U.S. Air Mail service from Forest Park aerial field, Saint Louis, Missouri, August 16, 1920, A0012-28136. Missouri Historical Society Library and Research Center.

Invitation, program, and chronological record of ceremonies inaugurating U.S. Air Mail service from Forest Park aerial field, Saint Louis, Missouri, August 16, 1920, A0012-28136. Missouri Historical Society Library and Research Center. https://mohistory.mobiusconsortium.org/repositories/2/digital_objects/2983 Accessed September 19, 2024.