Columbia subject headings:
Drawing--Private collections--England--London--Exhibitions.
Sironi, Mario, 1885-1961--Exhibitions.
Harvard subject headings:
Castel Sismondo (Rimini, Italy),
Sironi, Mario, 1885-1961--Exhibitions.
Princeton subject headings:
Drawing--Private collections--England--London--Exhibitions.
Sironi, Mario, 1885-1961--Exhibitions.