Columbia subject headings:
Dialect literature, American--History and criticism.
Language and languages in literature.
Language and languages.
Speech in literature.
Twain, Mark, 1835-1910--Knowledge and learning.
Twain, Mark, 1835-1910--Language.
Harvard subject headings:
Dialect literature, American--History and criticism.
Language and languages in literature.
Speech in literature.
Twain, Mark, 1835-1910--Knowledge--Language and languages.
Twain, Mark, 1835-1910--Language.
Princeton subject headings:
Dialect literature, American--History and criticism.
Language and languages in literature.
Speech in literature.
Twain, Mark, 1835-1910--Knowledge--Language and languages.
Twain, Mark, 1835-1910--Language.