| Author's List |
| title | creator | language | description | tableOfContents | contributor | subject | created |
| A journey in other worlds A romance of the future | Astor, John Jacob, 1864-1912 | en | Manned space flight -- Fiction; Space ships -- Fiction; Jupiter (Planet) -- Fiction; Saturn (Planet) -- Fiction; Science fiction; Utopias -- Fiction | 1999-01-01 |