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3. Brand, Dana. The Spectator and the City in Nineteenth-Century American Literature. Cambridge UP, 1991.
4. Cowley, Malcolm. “Editor's Introduction.” The Portable Hawthorne: Revised and Expanded Edition, edited by Cowley, Viking Press, 1969, pp. 1–21.
5. Donovan, Ellen Butler. “‘Annie Does Not Love the Monkeys’: Hawthorne, Irony, and Childhood Innocence.” Nathaniel Hawthorne Review, vol. 40, no 1, 2014, pp. 41–60.