Columbia subject headings:
Architecture, Gothic.
German literature--18th century--History and criticism.
German literature--20th century--History and criticism.
Kölner Dom.
Harvard subject headings:
Architecture, Gothic.
German literature--18th century--History and criticism
German literature--19th century--History and criticism
Kölner Dom.
Princeton subject headings:
Architecture, Gothic.
German literature--18th century--History and criticism.
German literature--19th century--History and criticism.
Kölner Dom.