Crabill, R.E. Jr. (1969):Review of Arenophilus and key to all species. Ent. News, 80: 7-11.
Crabill, R.E. Jr. (1969): Revisionary conspectus of Neogeophilidae with thoughts on a phylogeny. Ent. News, 80: 38-43.
Crabill, R.E. Jr. (1969): Tracheotaxy as a generic criterion in Himantariidae, with proposal of two new bothriogastrine genera (Chilopoda: Geophilomorpha). Smithsonial Contributions to Zoology 12, Washington, Smithsonial Institution Press.
Crabill, R.E. Jr. (1970): A new family of centipedes from Baja California with introductory thoughts on ordinal revision (Chilopoda, Geophilomorpha, Eriphantidae). Proceedings of the Entomological Society of Washington, 72 (1): 112-118.
Crabill, R.E. Jr. (1971): A new Ballophilus from the Philippines (Chilopoda, Geophilomorpha, Ballophilidae). Proceedings of the Entomological Society of Washington, 73 (1): 27-28.
