| Author's List |
| title | creator | language | description | tableOfContents | contributor | subject | created |
| The Approach to Philosophy | Perry, Ralph Barton, 1876-1957 | en | 2008-04-19 | ||||
| The Professional Approach | en | Schoenherr, John, 1935-2010 [Illustrator] | Science fiction; Short stories; Inventions -- Fiction | 2007-12-15 |