Duffey, Eric. Nature reserves and wildlife / by Eric Duffey. - London : Heinemann Educational, 1974. - vii, 134 p. : ill., maps, plan ; 22 cm. - Scholarship series in biology . Includes index. Bibliography: p. 125-128. ISBN: 0435612565 (hbk) Subjects--Topical Terms: Nature conservation--Great Britain.Natural areas--Great Britain.Ecology--Great Britain. Dewey Class. No.: 639.9