Columbia subject headings:
Architecture--Austria--History--20th century.
Hoppe, Emil, 1876-1957.
Kammerer, Marcel, 1878-1969.
Schönthal, Otto, 1878-1961.
Wagner, Otto, 1841-1918--Influence.
Harvard subject headings:
Architectural drawing--19th century--Austria--Vienna.
Architectural drawing--20th century--Austria--Vienna.
Architectural drawing--Austria--Vienna--19th century.
Architectural drawing--Austria--Vienna--20th century.
Architectural studios--Austria--Vienna.
Art nouveau (Architecture)--Austria--Vienna.
Hoppe, Emil, -1957--Criticism and interpretation.
Hoppe, Emil, -1957.
Hoppe, Emil, 1876-1957--Criticism and interpretation.
Kammerer, Marcel, -1969--Criticism and interpretation.
Kammerer, Marcel, -1969.
Kammerer, Marcel, 1878-1969--Criticism and interpretation.
Schönthal, Otto, 1878-1961
Schönthal, Otto, 1878-1961--Criticism and interpretation.
Wagner, Otto, 1841-1918--Influence.
Princeton subject headings:
Architectural drawing--19th century--Austria--Vienna.
Architectural drawing--20th century--Austria--Vienna.
Architectural studios--Austria--Vienna.
Art nouveau (Architecture)--Austria--Vienna.
Hoppe, Emil, -1957--Criticism and interpretation.
Kammerer, Marcel, -1969--Criticism and interpretation.
Schönthal, Otto, -1961--Criticism and interpretation.
Wagner, Otto, 1841-1918--Influence.