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Caverns of Mongo 3/3/1935-4/14/1935; Monsters of Mongo 4/22/1934-11/18/1934; On the Planet Mongo 1/7/1934-4/15/1934; Tournaments of Mongo 11/25/1934-2/24/1935
On the Planet Mongo; Monsters of Mongo; Tournaments of Mongo; Caverns of Mongo
Writer: Alex Raymond
Artist: Alex Raymond