Orchid history in Edwards' Botanical Register 1815 to 1847 : an index to people, places and publications compiled by Robert M. Hamilton. - Canada : Robert M. Hamilton, 1991. - 22 p. ; 29 cm. - Orchid history reference papers 3. . Cover title : Orchid history index : 1815-1847. ISBN: RM16.03 Subjects--Topical Terms: Orchids--History--Indexes.