Cooperative extension work /
Kelsey, Lincoln David.
Cooperative extension work / Lincoln David Kelsey with the collaboration of Cannon Chiles Hearne. - 3rd edition. - Ithaca, New York : Comstock Publishing Associates, c1967. - 490 pages : Illustrations ; 24 cm.
Agricultural extension work.
S544 / .K4 1963
630.717
Cooperative extension work / Lincoln David Kelsey with the collaboration of Cannon Chiles Hearne. - 3rd edition. - Ithaca, New York : Comstock Publishing Associates, c1967. - 490 pages : Illustrations ; 24 cm.
Agricultural extension work.
S544 / .K4 1963
630.717