@article {1506,
	title = {On Rana umbraculata, a new frog from South Africa.},
	journal = {Annals of the Natal Museum},
	volume = {12},
	year = {1952},
	pages = {153-164, pls 3-6},
	author = {Bush, S.F.}
}
@article {1522,
	title = {Descriptions of new species and subspecies of reptiles and amphibians from Natal, together with notes on some other little known species.},
	journal = {Annals of the Natal Museum},
	year = {1947},
	pages = {111-137},
	editor = {Fitzsimons, V.F.M.}
}
@article {1543,
	title = {Descriptions of southern African amphibians},
	journal = {Annals of the Natal Museum},
	year = {1963},
	pages = {319-332},
	author = {Poynton, John C.}
}
@article {313,
	title = {The amphibia of Southern Africa: a faunal study},
	journal = {Annals of the Natal Museum},
	volume = {17},
	year = {1964},
	pages = {1-334},
	keywords = {Petropedetidae, Phrynobatrachus},
	author = {Poynton, J.C.}
}
@article {1512,
	title = {Ecological and systematic relationships of Rana and Strongylopus in southern Natal.},
	journal = {Annals of the Natal Museum},
	year = {1979},
	pages = {797-831},
	author = {Channing, A.}
}
@article {1542,
	title = {Amphibia Zambeziaca 2. Ranidae.},
	journal = {Annals of the Natal Museum},
	year = {1985},
	pages = {115-181},
	author = {Poynton, J.C. and Broadley, D. G.}
}
