Daniel, T. M., Bates, J. H. y Downes, K. A. (1994). History of Tuberculosis. En Barry R. Bloom (ed.) Tuberculosis: Pathogenesis, protection...
Darwin, C. (1959). Evolution and natural selection. Boston: Beacon Press.
Duff, E. (1967). Social Gospel. En New Catholic Encyclopedia (vol. XIII). Nueva York: McGraw-Hill Book Company.
Holt, M. F. (2002). The Know Nothing Party. Abraham Lincoln Historical Digitization Project.Recuperado de: http://dig.lib.niu.edu/message/ps-knownothing.html...
Leon, S. M. (2005). Preaching Eugenics: Religious Leaders and the American Eugenics Movement.Church history. Recuperado de: http://findarticles.com/p/articles/mi_hb050/is_4_74ai_n29233702/
Library.thinkquest, recuperado de http://library.thinkquest.org/20619/Irish.html
MacIntyre, A. C. (1984). After virtue: A study in moral theory. Notre Dame, Ind.: University of Notre Dame Press.
MacIntyre, A. C. (1988). Whose justice? Which rationality? Notre Dame, Ind.: University of Notre Dame Press.
MacIntyre, A. C. (1990). Three rival versions of moral enquiry :encyclopaedia, genealogy, and tradition : being Gifford lectures delivered...
Popple, P. R. y Leighninger, L. (2002). Social work, social welfare, and American society (5ª edition). Boston: Allyn and Bacon.
Rosen, C. (2004). Preaching eugenics: Religious leaders and the American Eugenics Movement. Nueva York: Oxford University Press.
Richmond, M. E. (1899/1969). Friendly visiting among the poor: A handbook for charity workers. Montclair, New Jersey: Patterson Smith.
Richmond, M. E. (1917/1965). Social diagnosis. Nueva York: The Free Press.
Richmond, M. E. (1922). What is social casework? Nueva York: Russell Sage Foundation.
Richmond, M. E. (1930). The long view. Editado por Joanna C. Colcord. Nueva York: Russell Sage Foundation.
Richmond, M. E. y Hall, F. S. (1925). Child marriages. Nueva York: Russell Sage Foundation.
Richmond, M. E. y Hall, F. S. (1929). Marriage and the State. Nueva York: Russell Sage Foundation.
Sanger, M. (1938). Margaret Sanger: An autobiography. Nueva York: W. W. Norton.
Shultz, S. K. (1999) Foreign Inmigrants in Industrial America. Civil War to the present: American History 102 (Lecture 08). Productor P. Tishler....
Siporin, Max (1968). Mary Richmond, a Founder or Modern Social Work. Essay in Mary E. Richmond. En Friendly visiting among the poor: A handbook...
Weber, M. (1904-1905/1930/1958). The Protestantethic and the spirit of Capitalism. (Traducción de Talcott Parsons). Nueva York: Scribner.
Weber, M. (2004). Science as a Vocation (1919). En ed. David Owen y Tracy B. Strong. The vocation lectures. Indianapolis: Hackett Pub.
Woodroofe, K. (1962). From charity to social work. Toronto: University of Toronto Press. Encyclopaedia Britannica (1968). American Civil War....
Rittlemeyer, H. (2011). Top Down. National Review, 63(1), 51-52. Civil War Home Page. Recuperado de http://www.civil-war.net/pages/1860_census.html