Columbia subject headings:
Architecture--Netherlands--Hague--History--20th century.
Hague (Netherlands)--Buildings, structures, etc.
Koninklijke Bibliotheek (Netherlands)--Buildings.
OD 205 (Firm)
Harvard subject headings:
Koninklijke Bibliotheek (Netherlands)--Buildings.
Library architecture--Netherlands--Hague--21sth century.
Library buildings--Netherlands--Hague--Designs and plans.
OD205 (Firm)
Princeton subject headings: