| title | creator | language | description | tableOfContents | contributor | subject | created |
| The Essence of Buddhism | Various | en | Little Blue Books series No. 325 | | | | 2006-04-21 |
| The Book Of Quinte Essence Or The Fifth Being (1889)
Edited from British Museum MS. Sloane 73 about 1460-70 A.D. | Unknown | enm | | | Furnivall, Frederick James, 1825-1910 [Editor] | | 2005-11-29 |
| An Essence of the Dusk, 5th Edition | Bain, F. W. (Francis William), 1863-1940 | en | | | | | 2004-03-01 |
| Orthodoxy | Chesterton, G. K. (Gilbert Keith), 1874-1936 | en | Companion to Heretics | | | Apologetics; Chesterton, G. K. (Gilbert Keith), 1874-1936; Religion -- History -- 20th century; Christianity -- Essence, genius, nature | 1994-05-01 |
| Orthodoxy | Chesterton, G. K. (Gilbert Keith), 1874-1936 | en | | | | Chesterton, G. K. (Gilbert Keith), 1874-1936; Religion -- History -- 20th century; Apologetics; Christianity -- Essence, genius, nature | 2005-09-28 |