@article {500,
	title = {Fleas from Irish mammals.},
	journal = {Irish Naturalist{\textquoteright}s Journal 20(6): 244-247.},
	year = {1981},
	pages = {433},
	author = {Sleeman, D. P.}
}
@article {242,
	title = {Geographical distribution of house martin fleas in Leicestershire.},
	journal = {Transactions of the Leicester Literary and Philosophical Society 75: 11-17.},
	year = {1981},
	pages = {83},
	author = {Clark, F. and McNeil, D. A. C.}
}
@article {243,
	title = {The variation in population densities of fleas in house martin nests in Leicestershire.},
	journal = {Ecological Entomology 6(4): 379-386.},
	year = {1981},
	pages = {84},
	author = {Clark, F. and McNeil, D. A. C.}
}
@article {272,
	title = {Prevalence of fleas on dogs and cats in an area of central London.},
	journal = {Journal of Small Animal Practice 22: 27-29.},
	year = {1981},
	pages = {23},
	author = {Beresford-Jones, W. P.}
}
@article {219,
	title = {Observations on host-finding by bat-fleas, with particular reference to Ischnopsyllus simplex (Siphonaptera: Ischnopsyllidae) in Great Britain.},
	journal = {Journal of Zoology, London 195: 546-549.},
	year = {1981},
	pages = {245},
	author = {Hutson, A. M.}
}
@article {147,
	title = {Present knowledge of the non-marine invertebrate fauna of the Outer Hebrides.},
	journal = {Proceedings of the Royal Society of Edinburgh 79B: 215-321 [Siph.: 288, 301].},
	year = {1981},
	pages = {561},
	author = {Waterston, A. R.}
}
