Columbia subject headings:
Architects--Austria.
Architecture--Austria--History--21st century.
Hertl, Gernot, 1971-
Hertl.Architekten.
Harvard subject headings:
Architects--Austria.
Architecture--Austria--21st century.
Hertl, Gernot.
Hertl. Architekten.
Princeton subject headings:
Architecture--Austria--History--21st century.
Hertl.Architekten.