Columbia subject headings:
Architecture--Austria--Vienna--History.
Schmidt, Friedrich, 1825-1891--Criticism and interpretation.
Vienna (Austria)--Buildings, structures, etc.
Wiener Rathaus (Vienna, Austria)
Harvard subject headings:
Architecture, Gothic--Austria--Vienna.
Architecture--Austria--Vienna--History.
Schmidt, Friedrich, 1825-1891--Criticism and interpretation.
Vienna (Austria)--Buildings, structures, etc.
Wiener Rathaus (Vienna, Austria)
Princeton subject headings: