Columbia subject headings:
Hawaii--Description and travel.
Twain, Mark, 1835-1910--Travel.
Harvard subject headings:
Authors, American--19th century--Correspondence
Hawaii--Description and travel.
Twain, Mark, 1835-1910--Journeys.
Twain, Mark, 1835-1910--Travel--Hawaii.
Twain, Mark, 1835-1910. Correspondence.
Princeton subject headings: