@book {12978,
	title = {A systematic catalogue of british insects: Being an attempt to arrange all the hitherto discovered indigeneous insects in accordance with their natural affinities. Containing also the references to every English writer in Entomology, and to the principal },
	year = {1829},
	pages = {xxxiv + 416 p.},
	publisher = {London: Baldwin and Cradock},
	organization = {London: Baldwin and Cradock},
	author = {Stephens, J. F.}
}
@book {12966,
	title = {The Nomenclature of British Insects: being a list of such species as are contained in the Systematic Catalogue of British Insects and forming a guide to their classification. Second edition},
	year = {1833},
	pages = {iv + 136 p.},
	publisher = {London: Baldwin and Cradock},
	organization = {London: Baldwin and Cradock},
	author = {Stephens, J. F.}
}
