| Ridley, H.N., 1916. Notes
| In: Shelford, R.W.C. A naturalist in Borneo. Edited with a biographical introduction by Edward B. Poulton. London, T.Fisher Unwin: pp. i-xxxviii, 1-331 |
|
|
| Ridley, H.N., 1906. The menagerie at the Botanic Gardens. Journal of the Straits Branch of the Royal Asiatic Society 46: 133-194
|
|
| Ridley, H.N., 1901. The Sumatran rhinoceros. Journal of the Straits Branch of the Royal Asiatic Society 35: 105-106
|
|
| Ridley, H.N., 1901. Straits Settlements. Annual Report of the Botanic Gardens for the year 1901. Singapore, Government Printing Office
|
|
| Ridley, H.N., 1900. A botanical excursion to Gunong Jerai (Kedah Peak). Journal of the Straits Branch of the Royal Asiatic Society 34: 23-30
|
|
| Ridley, H.N., 1900. Straits Settlements. Annual Report of the Botanic Gardens for the year 1900. Singapore, Government Printing Office
|
|
| Ridley, H.N., 1894. Account of a trip up the Pahang Tembeling and Tahan rivers and an attempt to reach Gunong Tahan. Journal of the Straits Branch of the Royal Asiatic Society 25: 33-60
|
|
| Ridley, H.N., 1892. Expedition to the Tahan district, Pahang, Malay Peninsula. Proceedings of the Royal Geographical Society 14 (8): 533-540
|
|
|