Columbia subject headings:
Wittenweiler, Heinrich, active 15th century. Ring.
Harvard subject headings:
Wittenweiler, Heinrich, active 15th century. Ring.
Princeton subject headings:
Authors, German--Middle High German, 1050-1500--Biography.
Konstanz (Germany)--History.
Konstanz (Germany)--Social conditions.
Wittenweiler, Heinrich, 15th cent. Ring.
Wittenweiler, Heinrich, active 15th century--Biography.