Woodcock, A. J. A. Garden and farm insects - 9 ed. - London : Evans, 1963 - 48 p. : ilus. - Young farmer's club booklet ; 9 . - Young farmer's club booklet ; 9 . LCCN: 52592 Subjects--Topical Terms: Entomología económica. Dewey Class. No.: 630.82 / Y68 v.9