Columbia subject headings:
Boldini, Giovanni, 1842-1931--Exhibitions.
Portrait painting--19th century--Exhibitions.
Portrait painting--20th century--Exhibitions.
Harvard subject headings:
Boldini, Giovanni, 1842-1931--Exhibitions.
Portrait painting--19th century--Exhibitions.
Portrait painting--20th century--Exhibitions.
Princeton subject headings:
Boldini, Giovanni, 1842-1931--Exhibitions.
Portrait painting--19th century--Exhibitions.
Portrait painting--20th century--Exhibitions.