J.  H�übner, ?Tentamen determinationis, digestionis atque denominationis singularum singularum stirpium Lepidopterorum, peritis ad inspiciendum et dijudicandum communicatum?, 1806.

A. K.  Wyatt, ?The field notebooks of Alex K. Wyatt?, 1894.

P.  Waring, Barnett, L. K., and Emms, C. W., ?The hawkmoths of Abuko Nature Reserve, The Gambia?, 2007.

Y. P.  Tho, ?Manuscript list of Lepidoptera foodplants, collated at the Forest Research Institute of Malaysia at Kepong?, 1986.

D. G.  Sevastopulo, ?The early stages of east African Lepidoptera. Sphingidae I & II?, 1949.

T.  Martyn, ?Psyche. Figures of non descript lepidopterous insects, or rare moths and butterflies from different parts of the world. Figures des insectes lépidoptères des differentes parties du globe, dont il n'y a point encore eu de description?, p. 8pp. + 8pp. + 32pls, 1797.

FRIM, ?Data extracted from reference collection of the Forest Research Institute of Malaysia at Kepong by G.S. Robinson, K.R. Tuck & J. Intachat?, 1993.