Columbia subject headings:
Harvard subject headings:
Niagara Falls (N.Y. and Ont.) in art--Catalogs.
Penney, Charles Rand--Art collections--Catalogs.
Prints, American--Catalogs.
Prints--Private collections--New York (State)--Lockport--Catalogs.
Princeton subject headings:
Catalogs.
Niagara Falls (N.Y. and Ont.)--In art--Catalogs.
Penney, Charles Rand--Art collections--Catalogs.
Prints--Private collections--United States--Catalogs.