Columbia subject headings:
Aldi, Pietro, 1852-1888--Exhibitions.
Artists' preparatory studies--Italy--Grosseto (Province)--Exhibitions.
Palazzo pubblico (Siena, Italy)--Exhibitions.
Harvard subject headings:
Aldi, Pietro, 1852-1888--Exhibitions.
Artists' preparatory studies--Italy--Saturnia--Exhibitions.
Palazzo pubblico (Siena, Italy). Sala del Risorgimento--Exhibitions.
Princeton subject headings:
Aldi, Pietro, 1852-1888--Exhibitions.
Artists' preparatory studies--Italy--Grosseto (Province)--Exhibitions.
Palazzo pubblico (Siena, Italy)--Exhibitions.