Columbia subject headings:
Composers--Italy--Correspondence.
Gatti, Guido M. (Guido Maggiorino), 1892-1973--Correspondence.
Malipiero, Gian Francesco, 1882-1973--Correspondence.
Music--Italy--20th century--History and criticism.
Musicologists--Italy--Correspondence.
Harvard subject headings:
Composers--Italy--Correspondence
Gatti, Guido M. (Guido Maggiorino), 1892-1973--Correspondence.
Malipiero, Gian Francesco, 1882-1973--Correspondence.
Music--Italy--20th century--History and criticism
Musicologists--Italy--Correspondence.
Princeton subject headings:
Composers--Italy--Correspondence.
Gatti, Guido M. (Guido Maggiorino), 1892-1973--Correspondence.
Malipiero, Gian Francesco, 1882-1973--Correspondence.
Music critics--Italy--Correspondence.