| Author's List |
| title | creator | language | description | tableOfContents | contributor | subject | created |
| Optimism An Essay | Keller, Helen, 1880-1968 | en | 2010-03-13 | ||||
| The Song of the Stone Wall | Keller, Helen, 1880-1968 | en | 2004-04-01 | ||||
| The World I Live In | Keller, Helen, 1880-1968 | en | Senses and sensation; Perception | 2009-01-01 |