Cowan, C. F. (1 January 1968). "Sir Hugh Low, G.C.M.G. (1824-1905)". Journal of the Society for the Bibliography of Natural History. 4 (7): NP–343. doi:10.3366/jsbnh.1968.4.7.np. ISSN0037-9778.
Cowan, C. F. (1 January 1968). "Sir Hugh Low, G.C.M.G. (1824-1905)". Journal of the Society for the Bibliography of Natural History. 4 (7): NP–343. doi:10.3366/jsbnh.1968.4.7.np. ISSN0037-9778.