||Segregation: Being the Joseph Leidy Memorial Lecture of the University of Pennsylvania, 1922
||Cambridge at the University Press, Great Britain
|| Very good condition. First separate edition. Offprint. Original wrappers. Reprinted from Journal of Genetics, Vol. XVI, No. 2, January 1926. Institution stamp and ownership stamp of K.M. Wiegand on front cover.* Genetics. Science.