Columbia subject headings:
De Grada, Raffaele, 1885-1957--Exhibitions.
Lombardy (Italy)--In art--Exhibitions.
Harvard subject headings:
De Grada, Raffaele, 1885-1957--Exhibitions.
Lombardy (Italy)--In art--Exhibitions.
Princeton subject headings:
De Grada, Raffaele, 1885-1957--Exhibitions.
Lombardy (Italy)--In art--Exhibitions.