1. District de Prusse Occidentale (Westpreussen) Yale Public content 1919. 2023-05-12T19:12:02Z. 2023-05-15T17:13:04Z. Georg Westermann Verlag, cartographer. Georg Westermann. French. cartographic image. Public. Prussia, West (Poland), Gdańsk (Poland), and Poland. 1918-1945.