Sirks, Marius Jacob The evolution of biology [by] M. J. Sirks [and] Conway Zirkle. - New York Ronald Press 1964. - v, 376 p. illus., facsims., ports. Bibliography: p. 350-365. LCCN: 64017118 Subjects--Topical Terms: Biology--History. LC Class. No.: QH305 / .S6 Dewey Class. No.: 574.09