Begrepet tonga eller batonga blir brukt om flere etniske grupper som lever i det nordlige Malawi, sørlige Zambia, nordvestlige Zimbabwe rundt Binga, vestlige Mosambik og sørlige Tanzania.

• (en) Minako Akari, « Outside development interventions : people's daily actions among the Plateau Tonga of Zambia », in African study monographs (Kyoto), 22 (4) 2001.
• (en) Elizabeth Colson, « Life among the cattle-owning plateau Tonga : the material culture of a Northern Rhodesia native tribe », in Occasional papers of the Rhodes-Livingstone Museum, réédité University of Zambia par Manchester University Press, 1974.
• (en) William Joseph Dewey, « Tonga », in Bibliographic surveys of African peoples, vol. 2. Bloomington, Ind. : Department of Fine Arts, Indiana University, 1981
• (en) Mac Dixon-Fyle, « Reflections on economic and social change among the Plateau Tonga of Northern Rhodesia, c. 1890-1935 », in International journal of African historical studies (New York), 16 (3) 1983
• (en) Ladislav Holý, Strategies and norms in a changing matrilineal society : descent, succession, and inheritance among the Toka of Zambia, Cambridge University Press, Cambridge, New York, 1986, 237 p. ISBN 0521303001
• (en) Peta A. Jones, « Tradition and change : the visual arts and material culture of Zimbabwe's Tonga », in William Joseph Dewey, Legacies of stone: Zimbabwe past and present, Royal Museum for Central Africa, Tervuren, 1997, vol. 1
• (en) Ulrich Luig, Conversion as a social process : a history of missionary Christianity among the Valley Tonga, Zambia, Lit, Hambourg, 1997, 308 p. ISBN 3825830470
• (en) Lucy Philip Mair, « Matrilineal descent : the Plateau Tonga », in African societies, Cambridge University Press, Cambridge, 1974.
• (en) Dan O'Brien, « Chiefs of rain, chiefs of ruling : a reinterpretation of pre-colonial Tonga (Zambia) social and political structure », in Africa (London), 53 (4), 1983
• (en) Clement Abiaziem Okafor, « The Tonga tradition of chante-fable : its conteur and clientele », in Nsukka studies in African literature (Nsukka)
• (en) Clement Abiaziem Okafor, The banished child : a study in Tonga oral literature, Folklore Society, Londres, 1983, 172 p. ISBN 0903515067
• (en) Neil Price et Neil Thomas, « Continuity and change in Gwembe Tonga family and their relevance to demography's nucleation thesis », i Africa (London). 69 (4) 1999
• (en) Santosh C. Saha, History of the Tonga chiefs and their people in the Monze district of Zambia, P. Lang, New York, 1994, 125 p.
• (en) David John Simon, James R. Pletcher et Brian V. Siegel, Historical dictionary of Zambia, Scarecrow Press, Lanham, Md. ; Plymouth, 2008, 612 p. (3. utg.) ISBN 9780810853058
• (en) Michael Tremmel, The people of the great river : the Tonga hoped the water would follow them, Mambo Press, Gweru (Zimbabwe) ; Silveira House, Harare (Zimbabwe), 1994, 76 p. ISBN 0869226002
• (en) J. Van Velsen, Local government and tribal politics among the lakeside Tonga, University of Manchester, Manchester, 1957 (Thèse)
• (en) J. Van Velsen, The politics of kinship : a study in social manipulation among the lakeside Tonga of Malawi, University of Zambia, by Manchester University Press, 1971 (1. utg. 1964) 338 p. ISBN 0719010233
• (en) Kenneth Powers Vickery, Black and White in southern Zambia : the Tonga Plateau economy and British imperialism, 1890-1939, Greenwood Press, New York, 1986, 248 p. ISBN 0313251061
• (en) A. K. H. Weinrich, The Tonga people on the southern shore of Lake Kariba, Mambo Press, Gwelo (Rhodesia), 1977, 109 p.