Horwitz, 1950? Series
 
Cover for Frogman (Horwitz, 1950 ? series) #1
Cover for Frogman (Horwitz, 1950 ? series) #2
Cover for Frogman (Horwitz, 1950 ? series) #9
Cover for Frogman (Horwitz, 1950 ? series) #13
Cover for Frogman (Horwitz, 1950 ? series) #14
Cover for Frogman (Horwitz, 1950 ? series) #19