Columbia subject headings:
Catholic church buildings--Austria--Vienna.
Church architecture--Austria--Vienna--History--20th century.
Church architecture--Computer-aided design.
Vienna (Austria)--Buildings, structures, etc.
Harvard subject headings:
Architecture--Study and teaching--Austria.
Church buildings--Austria--Vienna--Designs and plans.
Religious architecture--Austria--Vienna--20th century.
Vienna (Austria)--Buildings, structures, etc.
Princeton subject headings: