| title | creator | language | description | tableOfContents | contributor | subject | created |
| Trees of the Northern United States
Their Study, Description and Determination | Apgar, A. C. (Austin Craig), 1838-1908 | en | | | | | 2009-08-18 |
| Determining the Age of Cattle by the Teeth | Pope, George W. (George Whitfield), 1867- | en | | | | | 2008-10-12 |
| The Psychology of Management
The Function of the Mind in Determining, Teaching and Installing Methods of Least Waste | Gilbreth, Lillian Moller, 1878-1972 | en | | | | | 2005-07-10 |
| Indeterminate Sentence | Warner, Charles Dudley, 1829-1900 | en | | | | | 2004-12-05 |
| American Negro Slavery
A Survey of the Supply, Employment and Control of Negro Labor as Determined by the Plantation Regime | Phillips, Ulrich Bonnell, 1877-1934 | en | | | | | 2004-03-01 |