Christy, D. (1853). A lecture on African colonization: Including a brief outline of the slave-trade, emancipation, relation of the republic of Liberia to England, &c. Delivered in the hall of the House of Representatives of the state of Ohio. Columbus: Published by J. H. Riley & co., printed by Scott & Bascom.

Christy, David. A Lecture On African Colonization: Including a Brief Outline of the Slave-trade, Emancipation, Relation of the Republic of Liberia to England, &c. Delivered in the Hall of the House of Representatives of the State of Ohio. Columbus: Published by J. H. Riley & co., printed by Scott & Bascom, 1853.

Christy, David. A Lecture On African Colonization: Including a Brief Outline of the Slave-trade, Emancipation, Relation of the Republic of Liberia to England, &c. Delivered in the Hall of the House of Representatives of the State of Ohio. Columbus: Published by J. H. Riley & co., printed by Scott & Bascom, 1853.