A Map of Poland, Prufia and Courland, 174218th century, 5 decade, Map of Lithuania/Poland description A Map of Poland, Prufia and Courland 1742 John Cowley (geographer): “A Map of Poland, Prufia and Courland,” London, 5 x 4.5 inches, from “A New and easy introduction to the study of geography.” See the 1746 version. Year 1742 Author John Cowley Sources –