Dirck 2009, p. 382. Dirck, Brian (2009). "Father Abraham: Lincoln's Relentless Struggle to End Slavery, and: Act of Justice: Lincoln's Emancipation Proclamation and the Law of War, and: Lincoln and Freedom: Slavery, Emancipation, and the Thirteenth Amendment (review)". Civil War History. 55 (3): 382–385. doi:10.1353/cwh.0.0090. S2CID143986160.
Dirck 2009, p. 382. Dirck, Brian (2009). "Father Abraham: Lincoln's Relentless Struggle to End Slavery, and: Act of Justice: Lincoln's Emancipation Proclamation and the Law of War, and: Lincoln and Freedom: Slavery, Emancipation, and the Thirteenth Amendment (review)". Civil War History. 55 (3): 382–385. doi:10.1353/cwh.0.0090. S2CID143986160.