Columbia subject headings:
Akademie der Bildenden Künste in Wien--Students.
Architectural drawing--Austria--Vienna.
Wagner, Otto, 1841-1918--Influence.
Harvard subject headings:
Akademie der Bildenden Künste in Wien--Students.
Architectural drawing--Austria--Vienna.
Wagner, Otto, 1841-1918--Influence.
Princeton subject headings:
Architecture--Designs and plans.
Wagner, Otto, 1841-1918.