Columbia subject headings:
Harvard subject headings:
Lower Saxony (Germany)--History--Sources--Bibliography--Catalogs.
Niedersächsisches Staatsarchiv (Bückeburg, Germany)--Catalogs.
Princeton subject headings:
Archives--Germany--Bückeburg--Catalogs.
Catalogs.
Lower Saxony (Germany)--History--Sources--Bibliography--Catalogs.
Manuscripts--Germany--Bückeburg--Catalogs.
Niedersächsisches Staatsarchiv (Bückeburg, Germany)