IE TCD MS 10519/2 is R.W.G Hingston's article, ‘In the Tree-Roof of the Guiana Forest’, Discovery. A Monthly Popular Journal of Knowledge, XII (January 1931), pp 12-16.
Hingston, R. W. G. (Richard William George), 1887-1966 | Clippings (Books, newspapers, etc.) | Forests and forestry--South America