De rimboe van boven af gezien : the Oxford University expedition to British Guiana : a paper read at the evening meeting of the society on 5 May, 1930,
by Major R.W.G. Hingston
- [S.l. : s.n.], 1930
- p.[441]- 445.
Title translation: jungle from above. A review by H.D.B. of the paper read at the evening meeting of the society by Major R.W.G. Hingston. Offprint from: De West- Indische Gids; January 1931.