1. Diephouse,
Dan. "The Economic Impulse In Robert Frost." Criticism 48.4 (2006):
477-507. Web. 2 Nov. 2013.
2. Hinrichsen,
Lisa. "A Defensive Eye: Anxiety, Fear And Form In The Poetry Of Robert Frost."Journal
Of Modern Literature 31.3 (2008): 44-57. Web. 1 Nov. 2013.
3. Barner,
Ivan, William Burto and Willam E. Cain. Literature
for Composition: An Introduction to Literature 10th ed. Boston:
Pearson, 2011. Print.