Freeman, R.B., 1946. Nycteridopsylla longiceps Roths. (Siph., Ischnopsyllidae) in Ireland. Entomologist?s Monthly Magazine 82(73): 117., p.168.

Freeman, R.B., 1946. The pig as a host of Pulex irritans L. (Siphonaptera, Pulicidae). Entomologist?s Monthly Magazine 82: 19-21., p.169.