Cook, O. F. 1867-1949. The social organization and breeding habits of the cotton-protecting kelep of Guatemala. By O.F. Cook ... - Washington, Gov't Print. Off., 1905. - 55 p. 23 cm. - United States. Dept. of Agriculture. Bureau of Entomology. [Bulletin] tech. ser. 10 . LCCN: agr06000611 Subjects--Topical Terms: Kelep. LC Class. No.: QL568.F7 / C75