Anonym 1923: [Fernow, B. E.] U.S. Dept. Agr. Official Record 2 (7), pp. 5
Anonym 1937: [Fernow, B. E.] Proceedings of the Entomological Society of Washington, Washington 38, B15 10215, pp. 114
X. 1923: [Fernow, B. E.] Science N.S. 57, pp. 255-256