- Series: Subterrania Series Record # 39425
- Series Tags: cavern world (2), brain transplant (2), disintegrator ray (2), telepathy (1)
- Subterrania
- 1 The Menace from Below (1929) [SF] by Harl Vincent
- 2 The Return to Subterrania (1930) [SF] by Harl Vincent
- Subterrania (2022) [C] by Harl Vincent