SF Encyclopedia Picture Gallery
Harl Vincent. Callisto at War (Medford, Oregon: Armchair Fiction, 2015) [dos: first appeared March 1930 Amazing Stories: pb/Leo Morey]
Image courtesy of Armchair Fiction
Harl Vincent. Callisto at War (Medford, Oregon: Armchair Fiction, 2015) [dos: first appeared March 1930 Amazing Stories: pb/Leo Morey]
Image courtesy of Armchair Fiction