Meyers Orts- und Verkehrs-Lexikon des Deutschen Reichs (Meyers Gazetteer), online edition, with GOV (genealogy.net) for post-1945 Polish equivalents · meyersgaz.org / gov.genealogy.net
Christianenhof 1), Prenzlau, Potsdam, Brandenburg, Preussen
Three Christianenhofs in Meyers; only 1) fits a Prussian Uckermark row.