edited by Alec M. Pridgeon [et al.]

Oxford University Press 2001-2003 Genera orchidacearum v.2 - v.3

part 1 , part 2

Available at 4 libraries

edited by Eric Hágsater and Vinciane Dumont ; compiled by Alec M. Pridgeon

IUCN c1996 IUCN/SSC action plans for the conservation of biological diversity

Available at 1 libraries

G.C.K. Dunsterville and E. Dunsterville ; edited by Alec M. Pridgeon

American Orchid Society c1988

Available at 2 libraries