Amis, Kingsley, "Introduction," in Tennyson, Penguin Books, 1973, pp. 7-19.
"Explanations: The Eagle," GaleNet, "Exploring Poetry," Gale Group, 2000.
James, Henry, quoted in Nineteenth-Century Literature Criticism, Volume 30, Gale, 1991, p. 203.
Kissane, James, Alfred Tennyson, Twayne Publishers, Inc., 1970.
Lockyear, Sir Norman, Tennyson as a.....
