Columbia subject headings:
Harvard subject headings:
Architects--Austria.
Hauptbücherei Wien--Designs and plans.
Libraries--Austria--Vienna--Designs and plans.
Library architecture--Austria--Vienna.
Library buildings--Austria--Vienna--Designs and plans.
Mayr, Ernst, 1952-
Princeton subject headings:
Hauptbücherei Wien.
Mayr, Ernst, 1952-
Vienna (Austria)--Buildings, structures, etc.