Blake, W. O. (1859). The history of slavery and the slave trade, ancient and modern: The forms of slavery that prevailed in ancient nations, particularly in Greece and Rome. The African slave trade and the political history of slavery in the United States. Compiled from authentic materials. Columbus, O.: Published and sold exclusively by subscription by H. Miller.

Blake, William O. The History of Slavery and the Slave Trade, Ancient and Modern: The Forms of Slavery That Prevailed in Ancient Nations, Particularly in Greece and Rome. The African Slave Trade and the Political History of Slavery in the United States. Compiled From Authentic Materials. Columbus, O.: Published and sold exclusively by subscription by H. Miller, 1859.

Blake, William O. The History of Slavery and the Slave Trade, Ancient and Modern: The Forms of Slavery That Prevailed in Ancient Nations, Particularly in Greece and Rome. The African Slave Trade and the Political History of Slavery in the United States. Compiled From Authentic Materials. Columbus, O.: Published and sold exclusively by subscription by H. Miller, 1859.