Columbia subject headings:
Harvard subject headings:
Architecture, Modern--20th century--Austria--Lower Austria--Catalogs.
Church architecture--Austria--Lower Austria--Catalogs.
Lower Austria (Austria)--Church history.
Princeton subject headings:
Architecture, Modern--20th century--Austria--Lower Austria.
Catholic Church. Archdiocese of Vienna (Austria)
Catholic church buildings--Austria--Lower Austria.
Church architecture--Austria--Lower Austria.