Kass Lee, B. 2007b. "Barbara McClintock (1902-1992), en la serie «Women Pioneers in Plant Biology» de la American Society of Plant Biologists. Marzo de 2007: American Society of Plant BiologistsArchivado el 3 de diciembre de 2003 en Wayback Machine..
Kass Lee, B. 2007. "Harriet B. Creighton (1909-2004), on Women Pioneers in Plant Biology". American Society of Plant Biologists website, edited by Ann Hirsch. Published online, February 2007: American Society of Plant BiologistsArchivado el 3 de diciembre de 2003 en Wayback Machine..
U.S. National Library of Medicine. «NIH scientifical profiles; B. McClintock»(en inglés). Consultado el 15 de enero de 2010. «Over the many years, I truly enjoyed not being required to defend my interpretations. I could just work with the greatest of pleasure. I never felt the need nor the desire to defend my views. If I turned out to be wrong, I just forgot that I ever held such a view. It didn't matter.»
Barbara McClintock (1973). «Carta de Barbara McClintock a J. R. S. Fincham»(en inglés). Consultado el 16 de enero de 2010. «Over the years I have found that it is difficult if not impossible to bring to consciousness of another person the nature of his tacit assumptions when, by some special experiences, I have been made aware of them. This became painfully evident to me in my attempts during the 1950s to convince geneticists that the action of genes had to be and was controlled. It is now equally painful to recognize the fixity of assumptions that many persons hold on the nature of controlling elements in maize and the manners of their operation. One must await the right time for conceptual change.»
Kass, L. B., 2000. Barbara McClintock, Botanist, cytologist, geneticist. American Journal of Botany 87(6): 64. Symposium website, Symposium Botany in the Age of Mendel, Abstract #193.
Kass Lee, B. 2007b. "Barbara McClintock (1902-1992), en la serie «Women Pioneers in Plant Biology» de la American Society of Plant Biologists. Marzo de 2007: American Society of Plant BiologistsArchivado el 3 de diciembre de 2003 en Wayback Machine..
Kass Lee, B. 2007. "Harriet B. Creighton (1909-2004), on Women Pioneers in Plant Biology". American Society of Plant Biologists website, edited by Ann Hirsch. Published online, February 2007: American Society of Plant BiologistsArchivado el 3 de diciembre de 2003 en Wayback Machine..