N.T. Gill Agricultural botany - London Gerland Puckworth and Co Ltd 1980 - Vols 2 - Vol. 2 . N.T. Gill & K.C. Vear: Agricultural botany. London. Gerland Puckworth and Co Ltd, 1980. 0-7156-1192-5--(633GIL) ENGLISH ISBN: 0-7156-1192-5 Dewey Class. No.: 633 / GIL