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Other Titles by this Publisher

Worlds Unknown Covers

Issue #1
Issue Date: May 1973
Issue #2
Issue Date: July 1973
Issue #3
Issue Date: September 1973
Issue #4
Issue Date: November 1973
Issue #5
Issue Date: February 1974
Issue #6
Issue Date: April 1974
Issue #7
Issue Date: June 1974
Issue #8
Issue Date: August 1974