Columbia subject headings:
Demonstrations in art--Exhibitions.
Pellizza, Giuseppe, 1868-1907. Fourth estate--Exhibitions.
Harvard subject headings:
Artists' preparatory studies--Exhibitions.
Demonstrations in art--Exhibitions.
Pellizza, Giuseppe, 1868-1907--Criticism and interpretation--Exhibitions.
Pellizza, Giuseppe, 1868-1907--Exhibitions.
Pellizza, Giuseppe, 1868-1907. Fourth estate--Exhibitions.
Working class in art--Exhibitions
Working class in art--Italy--Exhibitions.
Princeton subject headings:
Demonstrations in art--Exhibitions.
Pellizza, Giuseppe, 1868-1907. Fourth estate--Exhibitions.