… Anti-Slavery Committee, Slavery and the International Slave Trade in the United States of America London: Thomas … Press, 1979. Vol. I, p. 249. Douglass, Frederick, England Should Lead the Cause of Emancipation Leeds Times, December … 30, 1871. Courtesy of HarpWeek. Nast, Thomas, The Day We Celebrate (Cartoon) Harper’s Weekly, New York: April 6, …