Columbia subject headings:
Architecture, Dutch--History--20th century.
Wattjes, J. G. (Jannes Gerhardus), 1879-1944.
Harvard subject headings:
Architects--Netherlands.
Architectural criticism--Netherlands--History--20th century.
Architectural historians--Netherlands.
Architecture--Netherlands--20th century.
Wattjes, J. G. (Jannes Gerhardus), 1879-1944--Criticism and interpretation.
Princeton subject headings:
Architecture--Netherlands--History--20th century.
Wattjes, J. G. (Jannes Gerhardus), 1879-1944.