Columbia subject headings:
Antislavery movements--United States.
Erie Canal (N.Y.)
Holley, Myron, 1779-1841.
New York (State)--Politics and government--1775-1865.
Harvard subject headings:
Antislavery movements--United States
Erie Canal (N.Y.)
Holley, Myron, 1779-1841.
New York (State)--Politics and government--1775-1865.
Princeton subject headings:
Antislavery movements--United States.
Erie Canal (N.Y.)
Holley, Myron, 1779-1841.
New York (State)--Politics and government--1775-1865.