Columbia subject headings:
Economic history.
Ott, Hugo, 1931-
Social history.
Harvard subject headings:
Breisgau-Hochschwarzwald (Germany)--Church history.
Breisgau-Hochschwarzwald (Germany)--History.
Germany--Church history--843-1517.
Germany--History--20th century.
National socialism.
Princeton subject headings:
Breisgau-Hochschwarzwald (Germany)--Church history.
Breisgau-Hochschwarzwald (Germany)--History.
Germany--Church history--843-1517.
Germany--History--20th century.
National socialism--Germany.