SF Encyclopedia Picture Gallery
David V Reed. The Uncanny Experiments of Dr. Varsag (Medford, Oregon: Armchair Fiction, 2015) [coll: dos: includes Dr. Varsag's Experiment (January 1940 Amazing) and Dr. Varsag's Second Experiment (August 1943 Amazing) both as by Craig Ellis: pb/Robert Fuqua]
Image courtesy of Armchair Fiction