1. Allina, Eric. Slavery by Any Other Name African: Life Under Company Rule in Colonial Mozambique. Charlottesville: University of Virginia Press, 2012.
2. American Board Commission for Foreign Missions (ABCFM). The East Central African Mission: A Condensed Sketch, 1880-1886. Boston, MA: ABCFM, 1886.
3. American Board Commission for Foreign Missions (ABCFM). Historical Sketch of the Missions of the American Board in Africa. Boston, MA: ABCFM, 1891.
4. Arndt, Jochen. Divided by the Word: Colonial Encounters and the Making of Zulu and Xhosa Identities. Charlottesville: University of Virginia Press, 2022.
5. A Divided Prism: Two Sources of Black Testimony on Slavery