Columbia subject headings:
Architecture--Pennsylvania--Philadelphia--History--19th century--Catalogs.
Architecture--Pennsylvania--Philadelphia--History--20th century--Catalogs.
Architecture--United States--History--19th century--Catalogs.
Architecture--United States--History--20th century--Catalogs.
Furness, Frank, 1839-1912--Catalogs.
Philadelphia (Pa.)--Buildings, structures, etc.
Harvard subject headings:
Architecture, Modern--19th century--Pennsylvania--Philadelphia--Catalogs.
Architecture, Modern--20th century--Pennsylvania--Philadelphia--Catalogs.
Architecture--Pennsylvania--Philadelphia--19th century--Catalogs.
Architecture--Pennsylvania--Philadelphia--20th century--Catalogs.
Architecture--United States--History--19th century--Catalogs.
Architecture--United States--History--20th century--Catalogs
Furness, Frank, 1839-1912--Catalogs.
Philadelphia (Pa.)--Buildings, structures, etc.
Princeton subject headings:
Architecture, Modern--19th century--Pennsylvania--Philadelphia--Catalogs.
Architecture, Modern--20th century--Pennsylvania--Philadelphia--Catalogs.
Architecture--United States--19th century--Catalogs.
Architecture--United States--20th century--Catalogs.
Furness, Frank, 1839-1912--Catalogs.
Philadelphia (Pa.)--Buildings, structures, etc.