- E-bookLectures 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
- E-bookHistory, Manners, and Customs of the North American IndiansThomas O. (Thomas Osmond) Summers
- E-bookLectures 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