East Prussia Gazetteers
To locate Lutheran and Catholic parishes as well as civil registration offices in Ostpreussen, please use the Gemeindelexikon Ostpreussen. FHL call number 943 E5kp or FHL film number 1187921 Item 2.
Follow these links for a Gazetteer of East and West Prussia: https://wiki.familysearch.org/en/File:A-B.pdf
Here is a diagram showing the column headings in German and their English translations: