Titles by Harl Vincent marked with tag: antigravity
- 1934 - Lost City of Mars
- 1933 - Telegraph Plateau
- 1932 - Faster Than Light
- 1932 - Once in a Blue Moon
- 1930 - Gray Denim
- 1930 - Silver Dome
- 1929 - Barton's Island
- 1929 - Through the Air Tunnel
- 1929 - Venus Liberated