@book {1986,
	title = {Classification der Batrachier mit Ber{\"u}cksichtigung der fossilen Thiere dieser Abtheilung der Reptilien},
	year = {1838},
	publisher = {Petitpierre},
	organization = {Petitpierre},
	address = {Neuch{\^a}tel},
	author = {Tschudi, J.J.}
}
@book {1820,
	title = {Illustrations of the zoology of South Africa, consisting chiefly of figures and descriptions of the objects of natural history collected during an expedition into the interior of South Africa, in the years 1834, 1835, and 1836...},
	volume = {Vol. III. Reptilia, Part 28},
	year = {1849},
	publisher = {Smith, Elder, \& Co},
	organization = {Smith, Elder, \& Co},
	address = {London},
	author = {Smith, A.}
}
@book {2621,
	title = {Illustrations of the zoology of South Africa, consisting chiefly of figures and descriptions of the objects of natural history collected during an expedition into the interior of South Africa, in the years 1834, 1835, and 1836...},
	volume = {Vol. III. Reptilia. Part 27},
	year = {1848},
	publisher = {Smith, Elder, \& Co},
	organization = {Smith, Elder, \& Co},
	address = {London},
	author = {Smith, 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.}
}
@article {1533,
	title = {Channel construction by the African Bullfrog: another anuran parental care strategy.},
	journal = {Journal of Herpetology},
	year = {1989},
	pages = {435-437},
	author = {Kok, D. J. and Du Preez, L.H. and Channing, A.}
}
@article {830,
	title = {Amphibians of southeastern Tanzania, with special reference to Stephopaedes and Mertensophryne (Bufonidae)},
	journal = {Bulletin of the Museum of Comparative Zoology},
	volume = {152},
	year = {1991},
	pages = {451-473},
	author = {Poynton, J.C.}
}
@mastersthesis {1509,
	title = {Aspects of the Ecology and Breeding Biology of the Giant Bullfrog Pyxicephalus adspersus},
	year = {1996},
	month = {Unpublished},
	type = {mastersM.Sc. Thesis},
	address = {University of Pretoria, Pretoria.},
	author = {Cook, C.L.}
}
@mastersthesis {1428,
	title = {A field Guide and Key to the frogs and Toads of the Free State},
	year = {1996},
	school = {University of the Orange Free State},
	type = {masters},
	address = {Bloemfontein},
	author = {Du Preez, L.H.}
}
@article {1515,
	title = {Description of a new moss frog from the south-western Cape (Anura: Ranidae)},
	journal = {South African Journal of Zoology},
	year = {1994},
	pages = {240-243},
	author = {Channing, A. and Hendricks, D. and Dawood, A.}
}
@book {119,
	title = {Amphibians of Central and Southern Africa},
	series = {Comstock books in herpetology},
	year = {2001},
	note = {TY - BOOKIncludes bibliographical references (p. [427]-455) and indexes. HOLLIS no. - 008841076},
	month = {2001.},
	pages = {x, 470 p., [24] p. of plates},
	publisher = {Comstock Pub. Associates},
	organization = {Comstock Pub. Associates},
	address = {Ithaca, N.Y.},
	keywords = {Amphibians Africa, Southern.},
	isbn = {0801438659 (cloth)},
	url = {http://discovery.lib.harvard.edu//?itemid=\%7clibrary\%2fm\%2faleph\%7c008841076 CN - Museum Comp Zoology | QL662.A356 C43 2001, QL662.A356 C43 2001},
	author = {Channing, A.}
}
@book {1312,
	title = {Amphibians of Central and Southern Africa},
	year = {2001},
	publisher = {Cornell University Press},
	organization = {Cornell University Press},
	address = {Ithaca, NY},
	author = {Channing, A.}
}
@book {2493,
	title = {Amphibians of Central and Southern Africa},
	year = {2001},
	publisher = {Comstock Pub. Associates},
	organization = {Comstock Pub. Associates},
	author = {Channing, A.}
}
@article {897,
	title = {Exploitation of frogs {\textendash} a review with a focus on West Africa},
	journal = {Salamandra},
	volume = {45},
	year = {2009},
	pages = {193-202},
	author = {Mohneke, M. and Onadeko, A.B. and R{\"o}del, Mark-Oliver}
}
