Columbia subject headings:
Architecture--Austria--History--20th century--Catalogs.
Walde, Alfons, 1891-1958--Catalogs.
Walde, Alfons, 1891-1958--Criticism and interpretation.
Harvard subject headings:
Architecture--Austria--History--20th century--Catalogs.
Walde, Alfons, 1891-1958--Catalogs.
Princeton subject headings:
Architecture--Austria--20th century--Catalogs.
Catalogs.
Walde, Alfons, 1891-1958--Catalogs.