Columbia subject headings:
Lithography, American.
Lithography--Pennsylvania--Philadelphia--History.
Philadelphia (Pa.)--Description and travel.
Harvard subject headings:
Lithography, American
Lithography--Pennsylvania--Philadelphia--History.
Lithography--Philadelphia--History.
Philadelphia (Pa.)--Description and travel
Princeton subject headings:
Lithography, American.
Lithography--Pennsylvania--Philadelphia--History.
Philadelphia (Pa.)--Description and travel.