Black, Peter. The complete book of orchid growing Peter McKenzie Black ; with a contribution by Wolfgang Rysy. - 2nd ed. revised by Wilma Rittershausen. - North Pomfret, Vt. Trafalgar Square Pub. 1988. - 160 p. ill. (some col.) 26 cm. Includes index. ISBN: 0943955041 LCCN: 88201082 Subjects--Topical Terms: Orchid culture.Orchids LC Class. No.: SB409 / .B524 1988 Dewey Class. No.: 635.9/3415