2Faggen, Robert. Cambridge Companion to Robert Frost. Cambridge. Cambridge University Press, 2001.
3Faggen, Robert. Frost Robert and the Challenge of Darwin. Ann Arbor: The University of Michigan Press, 1997.
4Fowler, Alaster. "Proper Name: Personal Names in Literature. " Essays in Criticism 2 (2008): 97- 119. Frost, Robert. The Collected Prose of Robert Frost. Ed. Mark Richardson. Cambridge, MA and London: The Belknap Press of Harvard University Press, 2007.
5Fowler, Alaster.Complete Poems of Robert Frost. New York: Holt, 1958.
6Hass, Robert Bernard. Robert Frost' s Conflict with Science. Charlottesville : University Press of Virginia, 2002.
7Jost, Walter. Rhetorical Investigations : Studies in Ordinary Language Criticism. Charlottesville : University of Virginia Press, 2004.
8Kearns, Katherine. Robert Frost and a Poetics of Appetite. Cambridge: Cambridge University Press, 1994.
9Kilcup, Karen. L. Robert Frost and Feminine Literary Tradition. Ann Arbor: The University of Michigan Press, 1998.
10Lynen, John F. The Pastoral Art of Robert Frost. New Haven: Yale University Press, 1960.