- Frost, Robert. Collected Poems, Prose, & Plays. New York: Literary Classics of the United States, Inc., 1995.
- Jay Parini. Robert Frost: A Life. New York: Henry Holt and Company, 1999.
- Thoreau, Henry David. Walden and "Civil Disobedience". New York, NY: Penguin Group, 1999.
- Frost, Robert. You Come Too: Favorite Poems for Readers of All Ages. New York, NY: Holt Paperbacks, 1959.
- Fagan, Deirdre. Critical Companion to Robert Frost: A Literary Reference to His Life and Work. New York, NY: Facts...
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