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
Niederasphe — human settlement in Germany (50.9429, 8.66553)
Wikidata Q1030994; Meyers 1912 id 20309043 is the only Niederasphe.