Columbia subject headings:
Architecture and philosophy.
Architecture, Modern--20th century--Philosophy.
Loos, Adolf, 1870-1933.
Wagner, Otto, 1841-1918.
Harvard subject headings:
Architecture, Modern--19th century
Architecture, Modern--21st century
Architecture--Austria--19th century.
Architecture--Austria--Vienna--20th century.
Architecture--Composition, proportion, etc.
Architecture--Philosophy
Loos, Adolf, 1870-1933--Criticism and interpretation.
Wagner, Otto, 1841-1918--Criticism and interpretation.
Princeton subject headings:
Architecture, Modern--19th century.
Architecture, Modern--20th century.
Architecture--Composition, proportion, etc.
Architecture--Philosophy.
Loos, Adolf, 1870-1933--Criticism and interpretation.
Wagner, Otto, 1841-1918--Criticism and interpretation.