Lester W. Hanna Hanna`s handbook of agricultural chemicals - 2nd Edition - Oregon Lester W Hanna 1958 - 493p Lester W. Hanna: Hanna`s handbook of agricultural chemicals. (2nd Edition) Oregon. Lester W Hanna, 1958.--(630.24HAN) ENGLISH Dewey Class. No.: 630.24 / HAN