Jan Vansina

的协调挑战；正如弗里所说的那样，“关于对这一理论的修正或改变有过许多建议，但大多数争议让我们产生了对其进一步的理解。” 简·万思那（英语：Jan Vansina）: Oral Tradition as History, 1985, James Currey Publishers, ISBN 0-85255-007-3

ISBN 978-1-74329-160-3.  Jan Vansina is an anthropologist that made quantitative estimates based on qualitative research. Vansina, Jan (2010). Being Colonized:

of Human Genetics, 1996, 59 (5): 1126–33, PMC 1914832 , PMID 8900243  Vansina, Jan. Paths in the Rainforest: Toward a History of Political Tradition in

Bruxelles: Librairie Falk fils, Georges Van Campenhout, Successeur. Vansina, Jan, 1979. 「Finding Food and the History of Pre-Colonial Equatorial Africa: