Cover of The Headmen of Mars-Chapter 1: Gale! & The Headmen of Mars-Chapter 2: In the Land of the Headless Humans & The Headmen of Mars-Chapter 3: Strange Companions & The Headmen of Mars-Chapter 4: Rescue & The Headmen of Mars-Chapter 5: Horror!

John Carter Warlord of Mars Annual (1977)
The Headmen of Mars-Chapter 1: Gale! & The Headmen of Mars-Chapter 2: In the Land of the Headless Humans & The Headmen of Mars-Chapter 3: Strange Companions & The Headmen of Mars-Chapter 4: Rescue & The Headmen of Mars-Chapter 5: Horror!

Issue

The Headmen of Mars-Chapter 1: Gale! & The Headmen of Mars-Chapter 2: In the Land of the Headless Humans & The Headmen of Mars-Chapter 3: Strange Companions & The Headmen of Mars-Chapter 4: Rescue & The Headmen of Mars-Chapter 5: Horror!

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