Chakravarthy, R.S. (1975). "Watt's Dictionary: A Landmark in the Study of the Economic Plants of India". Economic Botany. 29 (1): 31–38. doi:10.1007/bf02861253. JSTOR4253561. S2CID12513.
Burkill, I.H. (1930). "[Obituary]". Bulletin of Miscellaneous Information (Royal Botanic Gardens, Kew). 1930 (7): 327–336. JSTOR4107653.
Chakravarthy, R.S. (1975). "Watt's Dictionary: A Landmark in the Study of the Economic Plants of India". Economic Botany. 29 (1): 31–38. doi:10.1007/bf02861253. JSTOR4253561. S2CID12513.
C.F.S. (1936). "Reviewed Work: A Dictionary of the Economic Products of the Malay Peninsula by I. H. Burkill, W. Birtwistle, F. W. Foxworthy, J. B. Scrivenor, J. G. Watson, I. H. Burkhill". Empire Forestry Journal. 15 (1): 139–141. JSTOR42592785.
semanticscholar.org
api.semanticscholar.org
Chakravarthy, R.S. (1975). "Watt's Dictionary: A Landmark in the Study of the Economic Plants of India". Economic Botany. 29 (1): 31–38. doi:10.1007/bf02861253. JSTOR4253561. S2CID12513.