Columbia subject headings:
American literature--History and criticism--Congresses.
American literature--Themes, motives--Congresses.
Travel in literature--Congresses.
Harvard subject headings:
American literature--19th century--History and criticism--Congresses.
American literature--19th century--Themes, motives--Congresses.
American literature--History and criticism--Congresses
American literature--Themes, motives--Congresses.
Physicians--United States--Biography--Congresses.
Travel in literature--Congresses.
United States--Description and travel--Congresses.
United States--In literature--Congresses.
Women pioneers--United States--Biography--Congresses.
Princeton subject headings:
American literature--History and criticism--Congresses.
American literature--Themes, motives--Congresses.
Travel in literature--Congresses.