Mande age grade system : social persistence and cultural flexibility in history   Creator:   Weil, Peter M. ( Author, Primary ) International Conference on Manding Studies School of Oriental and African Studies, University of London) ( contributor ) Publication Date:   1972 Type:   Book Source Institution:   SOAS University of London Holding Location:   SOAS University of London Subject Keyword:   Mandingo (African people) Age groups Spatial Coverage:   Africa -- West Africa Language:   French English Mande age grade system : social persistence and cultural flexibility in history