Alexander, J.E. 1913. 1837 – a trek in South Africa. In Taylor, E. 1913. The taylor papers, being a record of certain reminiscences, letters and journals in the life of Lieut.-Gen. Sir Herbert Taylor.: pp. 406-410.
Alexander, J.E. 1839. The African rhinoceros. London Saturday Journal 1 (14, Apr. 6): 224.
Alexander, J.E. 1838. An expedition of discovery into the interior of Africa, through the hitherto undescribed countries of the Great Namaquas, Boschmans, and Hill Damaras. London, Henry Colburn. vol. 1, pp. i-xxiv, 1-302; vol. 2, pp. i-viii, 1-306.
Alexander, J.E. 1838. Report of an expedition of discovery, through the countries of the Great namaquas, Boschmans, and the Hill Damaras, in South Africa. Journal of the Royal Geographical Society 8: 1-28.
Alexander, J.E. 1837. Latest intelligence from Captain Alexander. Journal of the Royal Geographical Society 7: 439-446.






