Müller-Wille, Staffan External, Max Planck Institute for the History of Science, Max Planck Society;
Müller-Wille, S., & Orel, V. (2007). From Linnaean Species to Mendelian Factors: Elements of Hybridism, 1751-1870. Annals of Science, 64(2), 171-215. doi:10.1080/00033790601111567.