| title | creator | language | description | tableOfContents | contributor | subject | created |
| The Alternative: A Separate Nationality, or The Africanization of the South | Holcombe, William Henry | en | | | | | 2010-09-10 |
| Experiments with Alternate Currents of High Potential and High Frequency | Tesla, Nikola, 1856-1943 | en | | | | | 2004-09-16 |
| Theism or Atheism
The Great Alternative | Cohen, Chapman, 1868- | en | | | | Atheism; Theism | 2008-05-02 |
| The Alternate Plan | Maddren, Gerry | en | | | | Science fiction, American; Short stories | 2008-03-09 |
| Is Mars habitable? A critical examination of Professor Percival Lowell's book "Mars and its canals," with an alternative explanation | Wallace, Alfred Russel, 1823-1913 | en | | | | Lowell, Percival, 1855-1916. Mars and its canals; Mars (Planet) | 2004-01-01 |