Columbia subject headings:
Ballet--Stage-setting and scenery--Italy--Milan.
Cagli, Corrado, 1910-1976--Criticism and interpretation.
Costume--Italy--Milan.
Opera--Stage-setting and scenery--Italy--Milan.
Teatro alla Scala.
Harvard subject headings:
Ballet--Stage-setting and scenery--Italy--Milan.
Cagli, Corrado, 1910-1976--Criticism and interpretation.
Costume--Italy--Milan.
Opera--Stage-setting and scenery--Italy--Milan
Teatro alla Scala.
Princeton subject headings: