Columbia subject headings:
Architecture, Domestic--Austria--Vienna--Pictorial works.
Wagner, Otto, 1841-1918.
Harvard subject headings:
Architecture, Domestic--Austria--Vienna--Pictorial works.
Interior decoration--Austria--Vienna--Pictorial works.
Wagner, Otto, 1841-1918.
Princeton subject headings:
Architecture, Domestic--Austria--Vienna--Pictorial works.
Wagner, Otto, 1841-1918.