Columbia subject headings:
Central-plan buildings--Italy--History--20th century.
Libera, Adalberto, 1903-1963--Criticism and interpretation.
Harvard subject headings:
Central-plan buildings--Italy--History--20th century.
Libera, Adalberto, 1903-1963--Criticism and interpretation.
Princeton subject headings:
Central-plan buildings--Italy--History--20th century.
Libera, Adalberto, 1903-1963--Criticism and interpretation.