Quoted in: Cliffe Knechtle (1986) Give Me an Answer, p. 70
Edwin Conklin: Frases en inglés
Edwin Grant Conklin, in: Evolution by Association : A History of Symbiosis: A History of Symbiosis http://books.google.co.in/books?id=wEo1QUkr7pUC&pg=PA129, Oxford University Press, 22 August 1994
Edwin Grant Conklin, " The Mechanism of Heredity https://archive.org/details/jstor-1633782,", Science, Vol 27, nr 691, January 17, 1908
Edwin Grant Conklin, in: p. 74 Thirteen Americans: their spiritual autobiographies https://archive.org/stream/religionandcivil000911mbp#page/n91/mode/2up Louis Finkelstein (ed.), 1953, p. 74