Columbia subject headings:
Architecture, Gothic--Austria--Vienna.
Architecture, Medieval--Austria--Vienna.
Church architecture--Austria--Vienna--History.
Sankt Stephansdom (Vienna, Austria)
Harvard subject headings:
Cathedrals--Austria--Vienna--History.
Sankt Stephansdom (Vienna, Austria)--History.
Vienna (Austria)--Buildings, structures, etc.
Princeton subject headings:
Architecture, Gothic--Austria--Vienna.
Architecture, Medieval--Austria--Vienna.
Church architecture--Austria--Vienna--History.
Sankt Stephansdom (Vienna, Austria)