016.63
B978A
           Bush, E A R
               Agriculture a bibliographical guide \ E A R Bush - London : Macdonald, 1974.
               2v. v.p - Macdonald bibliographical guides series .
                ISBN: 0-356-04505-6

92468
92469
                Subjects: Agriculture-Bibliography; Agriculture-Economic aspects-Bibliography; Ecology-Bibliography; Agriculture and state-Bibliography.