Bürgerliste aus der fränzösischen Besatzungszeit im Jahr 1812: Mairie Oldenburg from Stadtarchiv Oldenburg. This item contains a list of all male citizens over the age of 13 in the city of Oldenburg. It was probably made for military or fiscal purposes. It includes the name of citizen, stand, age of birth when known, residence, street, and may give the former residence of an individual [as in the case of a journeyman]. Includes individuals from Hannover and other areas in Germany.
Arbeitskreis familienforschung Osnabrück: http://www.osfa.de/index.php
Dissertations at Oldenburg University: oops.uni-oldenburg.de Enter: Missouri Synode. "Click on Homepage to get to list.
Osnabrück Family History:https://www.osfa.de/verein/leitfaden.php Good descriptions of farm names, glossary of terms, etc. See https://www.osfa.de/index.php
Niedersachsen Institut: http://regionalforschung-niedersachsen.de/
Links to sources for Niedersachsen: http://regionalforschung-niedersachsen.de/links/
Elbe-Weser Triangle: http://www.elbe-weser-forschung.de/ [Verden, Bremen, Zeven, Hadeln, Scharmbeck, etc.
Heikun-Verlag: http://klauskunze.com/heikun/mil/register.htm?fbclid=IwAR04oIvTAlA1s9juzJcdRK3TFeD8WpJOknxj7v4LDXUEs8qPXljrJ7Vb5PE
Soldiers and Garrisons in Southwest Niedersachsen
Harz: Archiv Vegelahn.de