Columbia subject headings:
Landscape architectural firms--Illinois--Chicago.
Landscape architecture--United States.
Harvard subject headings:
Hoerr Schaudt Landscape Architects.
Landscape architectural firms--Illinois--Chicago--History--Pictorial works.
Landscape architecture--Pictorial works
Landscape design--Pictorial works.
Princeton subject headings:
Hoerr Schaudt Landscape Architects.
Landscape architectural firms--Illinois--Chicago--History--Pictorial works.
Landscape architecture--Pictorial works.
Landscape design--Pictorial works.