Titles marked by user Dragoondelight with tag underground cities
| Date | Type | Language | Title | Authors | Parent Title | Parent Authors | Tags |
|---|---|---|---|---|---|---|---|
| 1935-00-00 | NOVEL | English | In Caverns Below | Stanton A. Coblentz | underground cities (1), heat ray (1) | ||
| 1934-02-00 | SHORTFICTION | English | The Spore Doom | Earl Binder and Otto Binder | underground cities (1), tripod walking machines (1) | ||
| 1930-07-00 | SHORTFICTION | English | The Princess of Arelli | Aladra Septama | moon (1), Disintegrator (1), gravity control (1), underground cities (1) |