Columbia subject headings:
Architecture--Netherlands--Maastricht--History--20th century--Exhibitions.
Artists' preparatory studies--Netherlands--Exhibitions.
Coenen, Jo, 1949---Notebooks, sketchbooks, etc.--Exhibitions.
Factories--Remodeling for other use--Netherlands--Maastricht--Exhibitions.
Harvard subject headings:
Architects--Netherlands--Exhibitions.
Architecture--Netherlands--Maastricht--20th century--Exhibitions.
City planning--Netherlands--Maastricht--Exhibitions.
Coenen, Jo, 1949---Exhibitions.
Maastricht (Netherlands)--Buildings, structures, etc.--Exhibitions.
Princeton subject headings: