Hillier Harold G Hilliers' manual of trees & shrubs. - 4th ed. - Newton Abbot : David and Charles, 1977. - [7], 576 p., leaf of plate, [16] p. of plates : ill. (incl. 1 col.) ; 23 cm. Bibliography: p. 5. ISBN: 0715374605 Subjects--Topical Terms: Ornamental treesOrnamental shrubs LC Class. No.: SB435 Dewey Class. No.: 635.9/77