United States Fish and Wildlife Service (October 21, 2014). "About the Refuge". Archived from the original on August 15, 2015. Retrieved October 8, 2015.
jstor.org
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Friedlaender, p. 137. Friedlaender, Marc (1969). "Henry Hobson Richardson, Henry Adams, and John Hay". Proceedings of the Massachusetts Historical Society. Third Series. 81: 137–66. JSTOR25080672.(subscription required)
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Friedlaender, p. 140. Friedlaender, Marc (1969). "Henry Hobson Richardson, Henry Adams, and John Hay". Proceedings of the Massachusetts Historical Society. Third Series. 81: 137–66. JSTOR25080672.(subscription required)
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Friedlaender, p. 154. Friedlaender, Marc (1969). "Henry Hobson Richardson, Henry Adams, and John Hay". Proceedings of the Massachusetts Historical Society. Third Series. 81: 137–66. JSTOR25080672.(subscription required)
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Kushner, pp. 381–82. Kushner, Howard I. (September 1974). "'The Strong God Circumstance': The Political Career of John Hay". Journal of the Illinois State Historical Society. 67 (4): 352–84. JSTOR40191317.(subscription required)
Howells, p. 348. Howells, William Dean (September 1905). "John Hay in Literature". The North American Review. 181 (586): 343–51. JSTOR25105451.(subscription required)
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Jaher, p. 71. Jaher, Frederic Cople (Spring 1972). "Industrialism and the American Aristocrat: A Social Study of John Hay and His Novel, the Bread-Winners". Journal of the Illinois State Historical Society. 65 (1): 69–93. JSTOR40190942.(subscription required)
Jaher, pp. 86–87. Jaher, Frederic Cople (Spring 1972). "Industrialism and the American Aristocrat: A Social Study of John Hay and His Novel, the Bread-Winners". Journal of the Illinois State Historical Society. 65 (1): 69–93. JSTOR40190942.(subscription required)
Jaher, p. 73. Jaher, Frederic Cople (Spring 1972). "Industrialism and the American Aristocrat: A Social Study of John Hay and His Novel, the Bread-Winners". Journal of the Illinois State Historical Society. 65 (1): 69–93. JSTOR40190942.(subscription required)
Sloane, p. 276. Sloane, David E. E. (Fall 1969). "John Hay's The Bread-Winners as Literary Realism". American Literary Realism, 1870–1910. 2 (3): 276–79. JSTOR27747664.(subscription required)
Mitchell, Martha. "John Hay Library". Brown University. Archived from the original on February 17, 2012. Retrieved July 17, 2014.
United States Fish and Wildlife Service (October 21, 2014). "About the Refuge". Archived from the original on August 15, 2015. Retrieved October 8, 2015.