G. B.  Thompson, ?Ectoparasites of deer.?, Deer 1: 81-85., 1967.

G. B.  Thompson, ?Report on fleas and ticks collected at Bardsey Island during 1966.?, Bardsey Bird and Field Observatory Report 15: 43-45., 1967.

T. R. E.  Devlin and Lloyd-Evans, L., ?Mammals at Rye Meads and analysis of Barn Owl pellets.?, The Fourth Report of the Rye Meads Ringing Group: 22-26., 1967.

A. R.  Mead-Briggs and Page, R. J. C., ?Ectoparasites from hares collected throughout the United Kingdom, January-March, 1964.?, Entomologist?s Monthly Magazine 103(1232-1234): 26-34., 1967.

N. C.  Cowx, ?Some aspects of the ecology and biology of some small mammal fleas from Yorkshire.?, Journal of Biological Education 1(1): 75-78., 1967.