Mayr, Ernst, Methods and principles of systematic zoology [by] Ernst Mayr, E. Gorton Linsley [and] Robert L. Usinger. - New York McGraw-Hill 1953. - 328 p. illus. 24 cm. - McGraw-Hill publications in the zoological sciences . Includes bibliography. LCCN: 52010335 /L/r53 Subjects--Topical Terms: Zoology--Classification.Zoology--nomenclatureZoology--classificationZoology--Nomenclature. LC Class. No.: QL351 / .M28 Dewey Class. No.: 590.12