Columbia subject headings:
Architecture--France--History--20th century.
Balladur, Jean, 1924---Criticism and interpretation.
Harvard subject headings:
Architecture, French--20th century.
Balladur, Jean, 1924---Criticism and interpretation.
Organic architecture--France.
Princeton subject headings:
Architecture, French--20th century.
Balladur, Jean, 1924---Criticism and interpretation.
Organic architecture--France.