K.  Jordan, ?On some Oriental Sphingidae?, Novitates Zoologicae, vol. 35, pp. 85-89, 1929.

K.  Jordan, ?On Oxyambulyx substrigilis and some allied Sphingidae?, Novitates Zoologicae, vol. 35, pp. 60-62, 1929.

B. P.  Clark, ?Sundry notes on Sphingidae, descriptions of sixteen new species, and of one new genus?, Proceedings of the New England Zoological Club, vol. 11, pp. 7-24, 1929.