Tracy, J. (1846). Colonization and missions: A historical examination of the state of society in Western Africa, as formed by paganism and Muhammedanism, slavery, the slave trade and piracy : and of the remedial influence of colonization and missions (5th ed., rev. and enl.). [Boston?]: Board of Managers : Press of T.R. Marvin.

Tracy, Joseph. Colonization and Missions: A Historical Examination of the State of Society in Western Africa, As Formed By Paganism and Muhammedanism, Slavery, the Slave Trade and Piracy : And of the Remedial Influence of Colonization and Missions. 5th ed., rev. and enl. [Boston?]: Board of Managers : Press of T.R. Marvin, 1846.

Tracy, Joseph. Colonization and Missions: A Historical Examination of the State of Society in Western Africa, As Formed By Paganism and Muhammedanism, Slavery, the Slave Trade and Piracy : And of the Remedial Influence of Colonization and Missions. 5th ed., rev. and enl. [Boston?]: Board of Managers : Press of T.R. Marvin, 1846.