Wikimedi'Òc

Nelsonlee57.tif - Hoohahcomics

Mystery adventure 193611.jpg - The Big Bad Wolfowitz

TheGirlWithTheX-RayEyes logo.jpg - Hyju

Detective Dan Secret Operative 48 (Humor Publishing, May 1933).jpg - Kurzon

Cover of Secret agent Magazine April 1937.jpg - Collywolly

Winter 1939 issue of Jungle Stories.jpg - Mike Christie

Ka-Zar October 1936.jpg - Mike Christie

GreenLama.jpg - Hyju

Sally the Sleuth in Crime Smashers 8.jpg - Hyju