Columbia subject headings:
Tourism--United States--History--19th century.
Travelers--United States--History--19th century.
United States--Description and travel.
White Mountains (N.H. and Me.)
Harvard subject headings:
Tourism--United States--History--19th century.
Travelers--United States--History--19th century.
United States--Description and travel.
Princeton subject headings:
Tourism--United States--History--19th century.
Travelers--United States--History--19th century.
United States--Description and travel.