KEW BULLETIN VOLUME 30
No author. Stock no 1207390. Published by HMSO. 1975.

KEW BULLETIN VOLUME 29
No author. Stock no 1207389. Published by HMSO. 1974.

LOTUS. INDIGOFERA. SESBANIA.
Written by J.B. Gillett. Stock no 663877. Published by Royal Botanic Gardens. 1st. 1958.

ENUMERATION OF THE PLANTS COLLECTED AT GEBEL ELBA DURING TWO EXPEDITIONS
Written by Mohammed Drar. Stock no 1809062. Published by Government Press, Bulaq. 1st. 1936.

THE EUPHORBIA JOURNAL VOLUME II
Written by David S. Hardy & Elisa Adler & Gordon Rowley & et al. Stock no 2139639. Published by Strawberry Press. 1st USA. 1984.

HANDBOOK OF PRACTICAL BOTANY
Written by E. Strasburger & W. Hillhouse. Stock no 987380. Published by Swan Sonnenschein, Lowrey & Co.. 1887.

THE EUPHORBIA JOURNAL VOLUME VI
Written by Michael J. Kimberly & Gordon Rowley & Susan Carter & et al. Stock no 2139643. Published by Strawberry Press. 1st USA. 1989.

FLORIGRAPHIA BRITANNICA VOLUME II
Written by Richard Deakin. Stock no 1809153. Published by Groombridge & Sons. 1st. 1857.

VANDAS THEIR BOTANY, HISTORY, AND CULTURE
Written by Martin R. Motes. Stock no 1324016. Published by Timber Press. 1st. 1997.

VANDAS THEIR BOTANY, HISTORY, AND CULTURE
Written by Martin R. Motes. Stock no 1324272. Published by Timber Press. 2000.

THE EUPHORBIA JOURNAL VOLUME V
Written by Michael J. Kimberly & Mel Hunter & Susan Carter & et al. Stock no 2139641. Published by Strawberry Press. 1st USA. 1988.

FLORIGRAPHIA BRITANNICA VOLUME III
Written by Richard Deakin. Stock no 1809130. Published by Groombridge & Sons. 1957.