| Author's List |
| title | creator | language | description | tableOfContents | contributor | subject | created |
| Our Vanishing Wild Life Its Extermination and Preservation | Hornaday, William Temple, 1854-1937 | en | Wildlife conservation -- United States; Game-laws -- United States | 2004-08-22 | |||
| Trees of the Northern United States Their Study, Description and Determination | Apgar, A. C. (Austin Craig), 1838-1908 | en | 2009-08-18 | ||||
| The Extermination of the American Bison | Hornaday, William Temple, 1854-1937 | en | American bison; Wildlife conservation -- United States -- Sources | 2006-02-10 |