| Author's List |
| title | creator | language | description | tableOfContents | contributor | subject | created |
| Folkways A Study of the Sociological Importance of Usages, Manners, Customs, Mores, and Morals | Sumner, William Graham, 1840-1910 | en | 2008-01-11 | ||||
| What Social Classes Owe to Each Other | Sumner, William Graham, 1840-1910 | en | 2006-06-16 |