Columbia subject headings:
Baden-Württemberg (Germany)--Church history--Sources--Bibliography--Catalogs.
Papal documents--Bibliography--Catalogs.
Harvard subject headings:
Baden-Württemberg (Germany)--Church history--Sources--Bibliography--Catalogs.
Papal documents--Bibliography--Catalogs.
Princeton subject headings:
Baden-Württemberg (Germany)--Church history--Sources--Bibliography--Catalogs.
Papal documents--Bibliography--Catalogs.