Columbia subject headings:
Church and state--Holy Roman Empire.
Tellenbach, Gerd, 1903-1999.
Harvard subject headings:
Germany--Church history--843-1517.
Germany--History--843-1273.
Holy Roman Empire--History--843-1273.
Tellenbach, Gerd, 1903-
Tellenbach, Gerd, 1903-1999
Princeton subject headings:
Church and state--Holy Roman Empire.
Tellenbach, Gerd, 1903-1999.