QH 366 S3 : Factors of evolution : the theory of stabilizing selection / translated [from the Russian] by Isadore Dordick ; edited by Theodosius Dobzhansky.; BJL
QH 366.2 C6 : Coevolution of animals and plants : First International Congress of Systematics and Evolutionary Biology Boulder / ed L.E.Gilbert and P.H.Raven.; BJL
1975
1
QH 366.2 C7 : Conceptual issues in evolutionary biology / edited by Elliott Sober.; BJL