Columbia subject headings:
History, Modern--19th century.
New York (N.Y.)--History--1775-1865.
New York (N.Y.)--History--1865-1898.
Harvard subject headings:
Princeton subject headings:
History, Modern--19th century.
New York (N.Y.)--History--1775-1865.
New York (N.Y.)--History--1865-1898.