Columbia subject headings:
Architecture--Austria--Vienna--Guidebooks.
Architecture--Austria--Vienna--History--20th century--Guidebooks.
Vienna (Austria)--Buildings, structures, etc.--Guidebooks.
Harvard subject headings:
Architecture, Modern--20th century--Austria--Vienna--Guidebooks.
Architecture--Austria--Vienna--Guidebooks.
Architecture--Austria--Vienna--History--Guidebooks.
Vienna (Austria)--Buildings, structures, etc.--Guidebooks.
Princeton subject headings:
Architecture, Modern--20th century--Austria--Vienna--Guidebooks.
Architecture--Austria--Vienna--Guidebooks.
Vienna (Austria)--Buildings, structures, etc.--Guidebooks.