Chinese airmail flag

Credit - ") 2001 National Air and Space Museum, Smithsonian Institution (SI Neg. No. A-32715-A)"

Jean Blanchard

Credit - ") 2001 National Air and Space Museum, Smithsonian Institution (Neg No. A-33312-A)"

Wiseman model

Credit - San Francisco Chronicle

Fred Wiseman flying

Credit - Air Mail Pioneers

First Ovington mail flight

Credit - ") 2001 National Air and Space Museum, Smithsonian Institution (SI Neg. No. 95-8335)"

Ovington's Dragonfly

Credit - Jesse Davidson Aviation Archives

Airmail stamp honoring Ovington

Credit - Air Mail Pioneers

Proposal for carrying the mail by air

Credit - ") 2001 National Air and Space Museum, Smithsonian Institution (Videodisc 2A-38586-A)"

Katherine Stinson

Credit - Jesse Davidson Aviation Archives