Alec M. Pridgeon
Orchidoideae, Vanilloideae
Epidendroideae
Genera Orchidacearum Volume 5
Genera orchidacearum
Genera orchidacearum
Genera Orchidacearum Volume 6
Orchid Biology
Orchid Biology Vol. 7
The Illustrated encyclopedia of orchids
Contributions toward the systematics of the Pleurothallidinae (Orchidaceae)
Handbook on orchid pests and diseases
With Stars in Their Eyes