961622 De Soto\'s Discovery of the Mississippi (engraving) by Powell, William Henry (1823-79) (after); Private Collection; (add.info.: De Soto\'s Discovery of the Mississippi depicts de Soto\'s 1541 encounter with the Mississippi River and the Indians who lived nearby. Illustration for History of the World by Evert A Duyckinck. Published byJohnson, Wilson & Co, c 1880. Digitally cleaned image.); 穢 Look and Learn.