Arvin, Newton, Longfellow: His Life and Work, Little, Brown, 1963, pp. 69-70.
Felton, C. C., "Longfellow's Ballads and Other Poems," in Nineteenth-Century Literature Criticism, Vol. 2, Gale Research, 1982; originally published in North American Review, Vol. 55, No. 116, July 1842, pp. 114-44.
Hirsh, Edward L., Henry Wadsworth Longfellow, University of Minnesota Press, 1964.
Jackson, Virginia, "Longfellow's Tradition; or, Picture-Writing a Nation," Modern Language Quarterly, December 1998, Vol. 59, No. 4, p. 471.
Justus, James H., "The Fireside Poets: Hearthside Values and the Language of Care," in Nineteenth-Century American Poetry, edited by A. Robert Lee, Vision Press, 1985, pp. 146-65.
Linder, Douglas O., "The Amistad Case," Famous Trials, University of Missouri-Kansas City School of Law, 2000, http://www.law.umkc.edu/faculty/projects/ftrials/amistad/ami_act.htm (accessed March 14, 2009).
Longfellow, Henry Wadsworth, "The Wreck of the Hesperus," in Henry Wadsworth Longfellow: Poems and Other Writings, Library of America, 2000, pp. 12-15.
Poe, Edgar Allan, "Longfellow's Ballads," in Nineteenth-Century Literature Criticism, Vol. 2, Gale Research, 1982; originally published in Graham's, Vol. 20, Nos. 3/4, March-April 1842.
Saintsbury, George, "Longfellow's Poems," in Prefaces and Essays, Macmillan, 1933, pp. 324-44.
Whitman, Walt, "Death of Longfellow," in Nineteenth-Century Literature Criticism, Vol. 2, Gale Research, 1982; originally published in Critic, Vol. 2, No. 33, April 8, 1882, p. 101.
Williams, Cecil B., Henry Wadsworth Longfellow, Twayne Publishers, 1964, p. 138.