Hettiarachchy, Tilak, The Sinhala peasant in a changing society : Ecological change among the Sinhala peasant from 1769 A.D. to 1909 A.D. / Tilak Hettiarachchy. - Colombo, Sri Lanka : Lake House Investments, 1982. - 147pages ; 22cm Bibliography: p.143-147 Subjects--Topical Terms: Peasantry--Sri LankaAgriculture--Economic aspects--Sri Lanka