- Электронная книгаLectures on the Philosophy and Practice of Slavery As Exhibited in the Institution of Domestic Slavery in the United States, with the Duties of Masters to SlavesThomas O. (Thomas Osmond) Summers
- Электронная книгаHistory, Manners, and Customs of the North American IndiansThomas O. (Thomas Osmond) Summers
- Электронная книгаLectures on the Philosophy and Practice of Slavery As Exhibited in the Institution of Domestic Slavery in the United States, with the Duties of Masters to SlavesThomas O. (Thomas Osmond) Summers