Titles by John W. Campbell, Jr. marked with tag: Librivox
- 1961 - Invaders from the Infinite
- 1956 - Islands of Space
- 1953 - The Black Star Passes
- 1951 - Empire with Clifford D. Simak
- 1936 - Uncertainty
- 1932 - The Last Evolution
- 1930 - Piracy Preferred
- 1930 - Solarite
- 1930 - The Black Star Passes