The Slave Trade; Print made by John Raphael Smith; 1752-1812; British; after George Morland; 1763-1804; British; 1791; Mezzotint; printed in color; published state on medium; slightly textured; cream laid paper; Sheet: 22 x 29 1/2 inches (55.9 x 74.9 cm); Plate: 18 3/4 x 25 1/2 inches (47.6 x 64.8 cm); and Image: 18 1/4 x 25 3/8 inches (46.4 x 64.5 cm); clouds; dog (animal); families; genre subject; slavery; slaves; storm