Columbia subject headings:
Bremen (Germany)--History--Sources--Bibliography--Catalogs.
Staatsarchiv der Freien Hansestadt Bremen--Catalogs.
Harvard subject headings:
Bremen (Germany)--History--Sources--Bibliography--Catalogs.
Staatsarchiv der Freien Hansestadt Bremen--Catalogs.
Princeton subject headings:
Bremen (Germany)--History--Sources--Bibliography--Catalogs.
Staatsarchiv der Freien Hansestadt Bremen--Catalogs.