Kelsey, Lincoln David Cooperative extension work [by] Lincoln David Kelsey with the collaboration of Cannon Chiles Hearne. - 2d ed. - Ithaca, N. Y. Comstock Pub. Associates 1955. - 424 p. illus. 25 cm. Includes bibliography. LCCN: 55014121 Subjects--Topical Terms: Agricultural extension work LC Class. No.: S544 / .K4 1955 Dewey Class. No.: 630.717