in Fear (Marvel, 1970 series) #9 (August 1972)
in Creatures on the Loose (Marvel, 1971 series) #18 (July 1972)
in Astonishing (Marvel, 1951 series) #32 (April 1954) [as "Pearls of the Dead"]
in Where Monsters Dwell (Marvel, 1970 series) #16 (July 1972)
in Monsters on the Prowl (Marvel, 1971 series) #19 (October 1972)
in Fantomet (Semic, 1976 series) #13/1987 (uke 25 1987)
in Monsters on the Prowl (Marvel, 1971 series) #17 (June 1972) [reprint title: Island of Fear!]