Titles by Winston K. Marks marked with tag: Project Gutenberg
- 1958 - The Deadly Daughters
- 1958 - The Mind Digger
- 1955 - Brown John's Body
- 1954 - Backlash
- 1954 - Breeder Reaction
- 1954 - Forsyte's Retreat
- 1954 - Mate in Two Moves
- 1954 - Tabby
- 1954 - The Test Colony
- 1953 - The Water Eater
- 1953 - Unbegotten Child