Columbia subject headings:
Authors, American--19th century.
Tobacco use--Anecdotes.
United States--Civilization--1865-1918.
United States--Intellectual life.
Harvard subject headings:
American literature--19th century--History and criticism
United States--Civilization
United States--Intellectual life
Princeton subject headings:
American literature--19th century--History and criticism.
United States--Civilization--1865-1918.
United States--Intellectual life--1865-1918.