G. Feilberg., C. 1962. Pierre Gourou: The Tropical World. Its Social and Economic Conditions and Its Future Status. Translated by E. D. Laborde. Longmans. London 1961. 159 s., 16 kort i teksten og 16 billedplancher. 14,5x22,5 cm. 21 sh. Geografisk Tidsskrift. 61, (jan. 1962).