Columbia subject headings:
Darwin, Erasmus, 1731-1802.
Harvard subject headings:
Comic, The, in literature
Darwin, Erasmus, 1731-1802--Criticism and interpretation.
Darwin, Erasmus, 1731-1802--Humor.
Princeton subject headings:
Comic, The, in literature.
Darwin, Erasmus, 1731-1802--Humor.
Humor.