| Author's List |
| title | creator | language | description | tableOfContents | contributor | subject | created |
| The Story of the Heavens | Ball, Robert S. (Robert Stawell), Sir, 1840-1913 | en | 2008-12-01 | ||||
| Time and Tide A Romance of the Moon | Ball, Robert S. (Robert Stawell), Sir, 1840-1913 | en | Tides; Satellites; Moon | 2008-01-10 |