I've been working on my Schumanns of Massow, Pomerania, Prussia. It certainly helps knowing all those German ancestors I heard about are actually Prussian! I've had some success lately with the Schumanns, my great-grandmother's line from Pomerania. The database Germany, Births and Baptisms, 1558-1898 (Deutschland, Geburten und Taufen, 1558-1898) database was a great starting point, available