A key and check list to Kenya orchids - Copley, G. C. ([editor no identificado], 1964)
"Reprinted from the Journal of the East Africa Natural History Society and Coryndon Museum. Vol. XXIV, No. 4 (108) (Junuary 1964)"–"Reprinted from the Journal of the East Africa Natural History Society and Coryndon Museum. Vol. XXIV, No. 5 (109) (June 1964)"–La part II. es la continuación del Vol. XXIV, No. 4 (108) (Junuary 1964)