Columbia subject headings:
Harvard subject headings:
Artists--Italy--Correspondence.
Depero, Fortunato, 1892-1960--Correspondence.
Depero, Fortunato, 1892-1960--Travels--United States.
Gruppo ITAS--Art collections.
Macconi, Guglielmo, 1913-2000--Correspondence.
Princeton subject headings:
Depero, Fortunato, 1892-1960--Correspondence.
Painters--Italy--Correspondence.