Columbia subject headings:
Dewey, Orville, 1794-1882. Address, delivered under the old elm tree in Sheffield.
Harvard subject headings:
Dewey, Orville, 1794-1882. Address delivered under the old elm tree in Sheffield.
Slavery--United States--Controversial literature.
Princeton subject headings:
Dewey, Orville, 1794-1882. An address delivered under the old elm tree in Sheffield.
Slavery--United States--Controversial literature.