Arthur H. Estabrook (1923). "The Family History of Robert Owen". Indiana Magazine of History. Bloomington: Indiana University. 19 (1): 63 and 69. Dicapai pada August 29, 2017. See also: Frank Podmore (1907). Robert Owen: A Biography. I. New York: D. Appleton and Company. m/s. 2, 4.
Douglas F. Dowd. "Robert Owen". Encyclopædia Britannica (ed. Online academic). Encyclopædia Britannica Inc. Dicapai pada 8 September 2017.
iu.edu
scholarworks.iu.edu
Arthur H. Estabrook (1923). "The Family History of Robert Owen". Indiana Magazine of History. Bloomington: Indiana University. 19 (1): 63 and 69. Dicapai pada August 29, 2017. See also: Frank Podmore (1907). Robert Owen: A Biography. I. New York: D. Appleton and Company. m/s. 2, 4.
worldcat.org
John F. C. Harrison, "Robert Owen's Quest for the New Moral World in America," in Donald E. Pitzer, ed. (1972). Robert Owen's American Legacy: Proceedings of the Robert Owen Bicentennial Conference. Indianapolis: Indiana Historical Society. m/s. 34. OCLC578923.CS1 maint: extra text: authors list (link)
Richard William Leopold (1940). Robert Dale Owen, A Biography. Harvard Historical Studies. 45. Cambridge, Massachusetts: Harvard University Press. m/s. 21. OCLC774894.
Richard William Leopold, (1940). Robert Dale Owen, A Biography. Harvard Historical Studies. 45. Cambridge, Massachusetts: Harvard University Press. m/s. 8. OCLC774894.CS1 maint: extra punctuation (link)
Robert Owen (1849). Revolution in the Mind and Practice of the Human Race, or, The Coming Change from Irrationality to Rationality. London: Effingham Wilson. m/s. 1 & 9. OCLC11756751.