A Checklist of the Orchids of Borneo
89: Royal Botanic Gardens, Kew, 1994. 1st Edition. Soft Cover. Text in English. 409 pp.
89: Royal Botanic Gardens, Kew, 1994. 1st Edition. Soft Cover. Text in English. 409 pp.
124: Books International, 2000. 1st Edition. Softcover. Text in English. 198 pp. Glue residue from a price tag on the back cover.