Columbia subject headings:
City planning--Netherlands--Groningen.
Public sculpture--Netherlands--Groningen.
Sculpture, Dutch--Netherlands--Groningen--20th century.
Sculpture, Dutch--Netherlands--Groningen.
Urban beautification--Netherlands--Groningen.
Harvard subject headings:
City planning--Netherlands--Groningen.
City planning--Philosophy
Groningen (Netherlands)--Buildings, structures, etc.
Princeton subject headings: