@article {238,
	title = {Some records of fleas (Siphonaptera) from English birds and mammals.},
	journal = {Entomologist{\textquoteright}s Gazette 29(4): 258-260.},
	year = {1978},
	pages = {79},
	author = {Clark, F.}
}
@article {239,
	title = {Studies on three congeneric species of fleas [Ceratophyllus] (Siphonaptera) from the nests of Delichon urbica urbica in England.  (Abstract)},
	journal = {Index to Theses Accepted for Higher Degrees in the Universities of Great Britain and Ireland 38(1): 267 and Dissertation Abstrs International B 50(1): 48-B.},
	year = {1989},
	pages = {80},
	author = {Clark, F.}
}
@article {240,
	title = {Prevalence of the cat flea Ctenocephalides felis and oocyte development during autumn and winter in Leicester City, U.K.},
	journal = {Medical and Veterinary Entomology 13(2): 217-218.},
	year = {1998},
	pages = {81},
	author = {Clark, F.}
}
@article {241,
	title = {The colonisation of artificial house martin (Delichon urbica L.) nests by ectoparasites (Siphonaptera: Diptera: Hemiptera: Acari).},
	journal = {Entomologist{\textquoteright}s Monthly Magazine 135: 237-240.},
	year = {1999},
	pages = {82},
	author = {Clark, F. and Hill, L. A.}
}
@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 {244,
	title = {Records of fleas from nests of house martins (Delichon urbica urbica (L.)) in Cornwall and Derbyshire.},
	journal = {Entomologist{\textquoteright}s Monthly Magazine 120: 59-62.},
	year = {1984},
	pages = {85},
	author = {Clark, F. and McNeil, D. A. C.}
}
@article {245,
	title = {Temporal variation in the population densities of fleas in house martin nests (Delichon u. urbica) (Linnaeus) in Leicestershire, UK.},
	journal = {Entomologist{\textquoteright}s Gazette 42(4): 218-288.},
	year = {1991},
	pages = {86},
	author = {Clark, F. and McNeil, D. A. C.}
}
