Early Man : as depicted by leading authorities at the International Symposium, The Academy of Sciences, Philadelphia, March 1937. Edited by G. G. McCurdy 362 pp. 27 pls., 54 text figs . Philadelphia, New York, London, 1937. Price, 21s
Zeuner, F. E.
Proceedings of the Prehistoric Society, 1938-12, Vol.4 (2), p.352-352 [Periódico revisado por pares]Texto completo disponível