Columbia subject headings:
Architecture, Domestic--Pennsylvania--Philadelphia--Pictorial works.
Architecture, Domestic--United States--Pictorial works.
Architecture--Pennsylvania--Philadelphia--History--19th century--Pictorial works.
Architecture--United States--History--19th century--Pictorial works.
Hazlehurst & Huckel.
Harvard subject headings:
Princeton subject headings:
Architecture, Domestic--Pennsylvania--Philadelphia--Pictorial works.
Architecture, Domestic--United States--Pictorial works.
Architecture, Modern--19th century--Pennsylvania--Philadelphia--Pictorial works.
Architecture--United States--19th century--Pictorial works.