Titles marked by user Dragoondelight with tag underground city
| Date | Type | Language | Title | Authors | Parent Title | Parent Authors | Tags |
|---|---|---|---|---|---|---|---|
| 1936-02-00 | SHORTFICTION | English | "21931" | J. E. Keith | underground city (1), synthetic food (1), earthquake apocalypse (1) | ||
| 1934-04-14 | SHORTFICTION | English | Ice Metropolis | uncredited | underground city (1), artificial sun (1) | ||
| 1934-07-00 | NOVEL | English | The Lost City | Milton R. Peril | underground city (1), Atlantis (1), paralysis ray (1) | ||
| 1930-10-00 | SHORTFICTION | English | The Dynasty of the Blue-Black Rays | Milton R. Peril | underground city (1), lost race (1), immortality (1) |