| Author's List |
| title | creator | language | description | tableOfContents | contributor | subject | created |
| Prehistoric Structures of Central America Who Erected Them? | Townsend, Martin I. (Martin Ingham), 1810-1903 | en | Indians of Central America -- Antiquities; Indians of Mexico -- Antiquities; Indians -- Origin; America -- Discovery and exploration -- Pre-Columbian; Central America -- Antiquities; Mexico -- Antiquities | 2009-06-24 | |||
| On The Structure of Greek Tribal Society: An Essay | Seebohm, Hugh E. (Hugh Exton), 1867-1946 | en | Greece -- History; Land tenure -- Greece; Tribes; Greece -- Law -- Antiquities; Greece -- Social life and customs | 2008-08-18 | |||
| Note on the Resemblances and Differences in the Structure and the Development of the Brain in Man and Apes | en | From Descent of Man by Charles Darwin | 2000-10-01 |