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Fraser, R. (1998). Frost in the Wasteland. Sewanee Review, 106(1), 46.
Thompson, Robert B. "Frost's Accidentally on Purpose." The Explicator (Winter 1978): 17. Rpt. in Contemporary Literary Criticism. Ed. Dedria Bryfonski. Vol. 13. Detroit: Gale, 1980.Literature Criticism Online. Web. 23 Mar. 2015.
Warren, R. P. (1983). The Themes of Robert Frost (1947). In J. C. Stine & B. Broderick (Eds.), Contemporary Literary Criticism, (Vol. 26). Detroit: Gale. (Reprinted from Selected Essays, pp. 118-136, 1958, Random House).
Altman, J. (2014). Behind His Father's Saying: Robert Frost's Wisdom Tradition (Order No. 3631682). Available from ProQuest Dissertations & Theses Full Text. (1566477590).
Frank, J. M. (2010). Robert Frost: Democracy, Teaching, and Teacher Education (Order No. 3420725). Available from ProQuest Dissertations & Theses Full Text. (749779073).
Hoffman, T. B. (1995). Sounds of Sense: The Rhetoric of Robert Frost (Order No. 9525099). Available from ProQuest Dissertations & Theses Full Text. (304217646).
Mauro, J. I. (1992). "The Gaps I Mean": A Study of Robert Frost's Poetry (Order No. 9310270). Available from ProQuest Dissertations & Theses Full Text. (303994107).
Schulhof, S. A. L. (1980). Robert Frost: A Study of Marriage in his Life and in his Poetry (Order No. 8120511). Available from ProQuest Dissertations & Theses Full Text. (302953125).
Sovak, A. T. (2011). Reading Nation and the Poetry of Robert Frost (Order No. 3460612). Available from ProQuest Dissertations & Theses Full Text. (878538590).
Frost, Robert (1874-1963), An Introduction to. (2010). In L. J. Trudeau (Ed.), Twentieth-Century Literary Criticism (Vol. 236). Detroit: Gale.
Frost, Robert. (2013). In The Columbia Encyclopedia. New York, NY: Columbia University Press.
Johnson, Sarah (2007). Frost, Robert, 19874-1963. Literature Online Biography. Literature Online.