Template:Forbes, 1903
- Forbes, H.O. (ed.) 1903. The natural history of Sokotra and Abdel-Kuri: being the report upon the results of the Conjoint Expedition to these Islands in 1898-9, by Mr. W.R. Ogilvie-Grant, of the British Museum, and Dr. H.O. Forbes of the Liverpool Museums, together with information from other available sources forming a monograph of the islands. Special Bulletin of the Liverpool Museums. 598 pp., The Free Public Museums, Henry Young and Sons, Liverpool. BHL