Columbia subject headings:
Architecture--Netherlands--Gelderland--History.
Buildings--Netherlands--Gelderland--History--20th century.
City planning--Netherlands--Gelderland--History--20th century.
Harvard subject headings:
Architecture--Netherlands--Gelderland--History--20th century.
Buildings--Netherlands--Gelderland--History--20th century.
City planning--Netherlands--Gelderland--History--20th century.
Princeton subject headings:
Architecture--Netherlands--Gelderland--History.
Buildings--Netherlands--Gelderland--History--20th century.
City planning--Netherlands--Gelderland--History--20th century.