@article {493,
	title = {Report on rats and their parasitic fleas.},
	journal = {Report of the Medical Officer of Health, Cardiff (1925): 20-23.},
	year = {1926},
	pages = {426},
	author = {Simpson, J. J.}
}
@article {197,
	title = {Siphonaptera (Fleas) in: Walker, J. J. et al (re-issued in 1934) The natural history of the Oxford district.},
	journal = {London. pp.278-279.},
	year = {1926},
	pages = {222},
	author = {Hamm, A. H.}
}
@article {62,
	title = {Report of Entomological section.},
	journal = {Proceedings of the Bristol Naturalist{\textquoteright}s Society 6 (ser.4): 197.},
	year = {1926},
	pages = {343},
	author = {Pearman, J. V.}
}
