Spears, John Randolph, 1850-1936. The American slave-trade: an account of its origin, growth and suppression. Illus. by Walter Appleton Clark. - Williamstown, Mass., Corner House Publishers, 1970. - 232 p. front, plates. 22 cm. Reprint of the 1900 edition. Subjects--Topical Terms: Slave trade.Slavery--United States.