Columbia subject headings:
Architecture--Austria--Linz--History--21st century--Exhibitions.
Cities and towns--Austria--Linz--Exhibitions.
Sociology, Urban--Austria--Linz.
Harvard subject headings:
Architecture--Austria--Linz.--21st century--Exhibitions.
Cities and towns--Austria--Linz--Exhibitions.
Sociology, Urban--Austria--Linz.
Princeton subject headings: