- Series: Unauthorized Tarzan Series Record # 24225
- Sub-series of: Tarzan Universe
- Series Tags: Tarzan (1), King Kong (1)
- Unauthorized Tarzan
- 1 Tarzan and the Silver Globe (1964) by Peg O'Neill Scott and Peter T. Scott [only as by Barton Werper]
- 2 Tarzan and the Cave City (1964) by Peg O'Neill Scott and Peter T. Scott [only as by Barton Werper]
- 3 Tarzan and the Snake People (1964) by Peg O'Neill Scott and Peter T. Scott [only as by Barton Werper]
- 4 Tarzan and the Abominable Snowmen (1965) by Peg O'Neill Scott and Peter T. Scott [only as by Barton Werper]
- 5 Tarzan and the Winged Invaders (1965) by Peg O'Neill Scott and Peter T. Scott [only as by Barton Werper]
- Tarzan On Mars (unknown) by John Bloodstone
- Tarzan and the Lightning Man (1963) [SF] by William Gilmour
- Tarzan meets Kong (2013) by Owen R. Leonard
- Frankenstein Meets the Ape-Man: Tarzan (2013) by Owen R. Leonard
- Tarzan Versus Dracula (2015) by Owen R. Leonard
- Тарзан на Марсе (2021) [C] by Фанфики и пастиши