Columbia subject headings:
Architecture, Gothic--Germany--Frankfurt am Main.
Gerthener, Madern, -1430.
Harvard subject headings:
Architecture, Gothic--Germany--Frankfurt am Main.
Gerthener, Madern, 1365-1430.
Princeton subject headings:
Art, Late Gothic--Germany--Frankfurt am Main.
Gerthener, Madern, -1430--Criticism and interpretation.