FamilySearch
– Familienbuch
– German Genealogy
– Germans from Russia
– Germany Church Records
– Ortsfamilienbücher
– Ortssippenbuch

Allenstein Indexing Project – Association for Family Research in East and West Prussia eV
Auf den Spuren Ihrer Ahnen – On the trail of their Ancestors (Prussian)
Catholic Churches in Poznań & Gniezno in 1888 (searchable PDF)
CompGen.de
Dr. Reuben Drefs – Netzedistrikt (Noteć) – Heads of Households (1772)
Dr. Reuben Drefs – South Prussia – Heads of Households (1793/1794)
Dr. Reuben Drefs – West Prussia – Heads of Households (1773)
East German Family Research (Arbeitsgemeinschaft Ostdeutscher Famileinforsch)
East Prussia – Digitization of Church Books
Evangelic Church Records
Evangelical Central Archives in Berlin / Geographical Overview
Familienforschung in Westpreußen
Genealogy.net Forum (Ahnenforschung.net Forum)
German Genealogy.net
German Genealogy Group
German Genealogy Online
German Telephone Directory
GreifX Personendatebank
Heiratsbelege / Marriage Records (FHC — Bezirkamt & Standesamt i.e. District Office & Civil Registration Office)
Kashubian Homeland
Katholische Kirchenbücher Online
Landesarchiv Greifswald (The State Archive of Greifswald)
Martin Opitz Library / Descriptor
Matricula — the online church registers database. Here you can find church registers (mostly books of birth, marriage and death) from various European countries (currently Austria, Germany, Poland, Serbia and Slovenia).
Odessa Digital Library – A German-Russian Genealogical Library
Online Ortsfamilienbücher/Ortssippenbücher
Places to Find German Genealogy Records and Databases Online
Pomerania – Church Books and Civil Records
Pomerania – Duplicates of Church Registers (online)
Pomeranian Genealogy
Pommerscher Greif e. V.
Population Register (1870-1931) — Poznań City Files Collection
Roggenbuck_Jonny
VFFOW – Verein für Familienforschung in Ost- und Westpreußen e. V.
Western Pomeranian Genealogical Society / Zachodniopomorskie Towarzystwo Genealogiczne POMERANIA
West Prussia & East Prussia FHC online genealogy records