Flora Malesiana Series II Pteridophyta - Rijksherbarium (Netherlands) (M. Nijhoff/W. Junk, 1971)

The Gardeners' chronicle :a weekly illustrated journal of horticulture and allied subjects ([Gardeners Chronicle], 1885)

Hand-list of orchids, cultivated in the Royal Botanic Gardens - Royal Botanic Gardens, Kew. (Printed for H.M. Stationery Off. by Darling, 1904)

Journal of the Royal Horticultural Society of London - Horticultural Society of London (Printed for the Royal Horticultural Society by Spottiswoode & Co, 1897)

Orchid album :comprising coloured figures and descriptions of new, rare and beautiful orchidaceous plants (B. S. Williams, 1888)

La Semaine horticole ([s.n.], 1897)