Columbia subject headings:
Architecture, German--19th century--Exhibitions.
Architecture--Germany--Hesse--History--Exhibitions.
Architecture--Germany--Marburg--History--Exhibitions.
Gothic revival (Architecture)--Germany--Hesse--History--Exhibitions.
Gothic revival (Architecture)--Germany--Marburg--History--Exhibitions.
Schaefer, C. (Carl), 1844-1908--Exhibitions.
Ungewitter, Georg Gottlob, 1820-1864--Exhibitions.
Harvard subject headings:
Architecture, Gothic--Germany--Hesse--History--Exhibitions.
Architecture, Gothic--Germany--Marburg--History--Exhibitions.
Schaefer, C. (Carl), 1844-1908--Exhibitions.
Ungewitter, Georg Gottlob, 1820-1864--Exhibitions.
Princeton subject headings: