Osborn, H. 1952: A Brief History of Entomology Including Time of Demosthenes and Aristotle to Modern Times with over Five Hundred Portraits. Columbus, Ohio, The Spahr & Glenn Company, 1-303 S., 6024a, pp. 179
Wright, J. 1880: [Belt, T.] Nat. Hist. Trans. Northumberl. 7 (1877-79), pp. 235-240, + Schr.verz.