Pre-WW2 Maps of Poland & the former German East

In keeping with my map theme, I have provided links and pointers to what I consider 4 of the Internet’s best sites for genealogically useful maps covering the regions of pre-WW2 Poland (Polska) and the former German Eastern Provinces (mainly, Ost und West Preussen, Silesian, Pommern).  When used in combination with current map tools such […]