Hills, Lawrence Donegan, 1911-1990. Fertility gardening / Lawrence D. Hills. - London (25 Lloyd Baker St., WC1X 9AT) : Cameron & Tayleur in association with David & Charles, 1981. - 223 p. : ill. ; 23 cm. ISBN: 0715381881 Subjects--Topical Terms: Organic gardening LC Class. No.: SB453.5 Dewey Class. No.: 635/.0484