Columbia subject headings:
Ajroldi, Pietro, 1910-1963--Criticism and interpretation.
Architecture--Italy--Sicily--History--20th century.
Harvard subject headings:
Ajroldi, Pietro, 1910-1963--Criticism and interpretation.
Ajroldi, Pietro, 1910-1963--Designs and plans.
Architecture--Italy--Sicily--History--20th century.
Princeton subject headings:
Ajroldi, Pietro, 1910-1963--Criticism and interpretation.
Architecture--Italy--Sicily--History--20th century.