Columbia subject headings:
Caves--Massachusetts--Springfield--Pictorial works.
Landscapes--Massachusetts--Springfield--Pictorial works.
Mausoleums--Massachusetts--Springfield--Pictorial works.
Monuments--Massachusetts--Springfield--Pictorial works.
Parks--Massachusetts--Springfield--Pictorial works.
Pavilions--Massachusetts--Springfield--Pictorial works.
Springfield (Mass.)--Pictorial works.
Zoos--Massachusetts--Springfield--Pictorial works.
Harvard subject headings:
Forest Park (Springfield, Mass.)--Pictorial works.
Parks--Massachusetts--Springfield--Pictorial works.
Princeton subject headings: