Watson, William The Gardener's assistant Vol. 4 an encyclopaedia of horticulture hardy trees and shrubs, herbaceous and alpine plants, annuals, bedding - Delhi Biotech Books 1998 - [iv],224p. 25cm - 4 . ISBN: 8176220167 Subjects--Topical Terms: ENCYCLOPAEDIA OF HORTICULTURE Dewey Class. No.: 635 / WAT