| Author's List |
| title | creator | language | description | tableOfContents | contributor | subject | created |
| The Observers | Vandenburg, G. L. | en | Science fiction; Short stories | 2010-01-30 | |||
| Pleasures of the telescope An Illustrated Guide for Amateur Astronomers and a Popular Description of the Chief Wonders of the Heavens for General Readers | Serviss, Garrett Putman, 1851-1929 | en | Astronomy -- Observers' manuals; Telescopes; Astronomy -- Amateurs' manuals | 2009-05-10 |