2 literature references for Pediculus clavicornis Nitzsch, 1864:

Author: Durden, Lance A., and Guy G. Musser
Year: 1994
Title: The sucking lice (Insecta, Anoplura) of the world: a taxonomic checklist with records of mammalian hosts and geographical distributions
Source: Bulletin of the American Museum of Natural History, no. 218
Year: 2003
Source: database, Mammal LouseBASE