| Author's List |
| title | creator | language | description | tableOfContents | contributor | subject | created |
| Cheerfulness as a Life Power | Marden, Orison Swett, 1850-1924 | en | 2006-05-15 | ||||
| L'Allegro, Il Penseroso, Comus, and Lycidas | Milton, John, 1608-1674 | en | Cheerfulness -- Poetry; Melancholy -- Poetry | 1996-01-01 |