G. Floyd Ferris, ?Contributions towards a monograph of the sucking lice. Part I?, Leland Stanford Junior University Publication, vol. II, pp. 1 - 51, 1919.

K. Chung Kim, ?Order Anoplura?, in Immature Insects, F. W.  Stehr, Ed. Dubuque: Kendal / Hunt Publishing Company, 1987, pp. 224 - 245.