List of Lepidoptera taken at Williams, Arizona by Messrs. Schwarz and Barber.
By Harrison G. Dyar
Dyar, H.G., 1903. List of Lepidoptera taken at Williams, Arizona by Messrs. Schwarz and Barber - I. Papilionoidea, Sphingoidea, Bombycoidea, Tineiodea (in part).
Proceedings of the Entomological Society of Washington 5(3):
223-235.
Eugene Amandus
Schwarz (1844-1928)
Herbert Spencer
Barber (1882-1950)