Archives are the current holding institutions of sources.
|Niedersächsische Staats- und Universitätsbibliothek (D-Gs)|
|Staatliches Archivlager (now in Geheimes Staatsarchiv Preussischer Kulturbesitz in Berlin) (D-Ga)|
Organizations are corporate entities that have been involved in the history of a source, typically as an owner, creator, or seller.
Sources that have had their origins in this city.