| Author's List |
| title | creator | language | description | tableOfContents | contributor | subject | created |
| Our Bird Comrades | Keyser, Leander S. (Leander Sylvester), 1856-1937 | en | 2008-08-18 | ||||
| Birds of the Rockies | Keyser, Leander S. (Leander Sylvester), 1856-1937 | en | Birds; Birds -- Colorado | 2008-07-05 | |||
| From Jungle to Java The Trivial Impressions of a Short Excursion to Netherlands India | Keyser, Arthur Louis, 1856-1924 | en | Java (Indonesia) -- Description and travel; Java (Indonesia) -- Social life and customs | 2009-01-08 |