Ralph Mayo appears in 8 issues in this volume.
April 1, 1950
Superman Batman Green Arrow Wyoming Kid and Others
August 1, 1950
Superman, Batman, Green Arrow, Wyoming Kid and Others
October 1, 1950
Introducing a Brand New Hero - Tom Sparks, Boy Inventor!
December 1, 1950
February 1, 1951
Superman, Batman, Green Arrow, Wyoming Kid, Tom Sparks
April 1, 1951
The Bat Witch
The Shocking Switch of the Super-Sons ; Tubby Watts, Efficiency Expert! ; Never Bet Against An Element Man!
August 1, 1974
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