Thoughts on the ancient relationship between games, ritual and divination by Wim van Binsbergen (Leiden University), expert on the Sanoma religion and African spirituality in general.
- Time, Space and history in African divination and history http://www.quest-journal.net/publications/time_and_temporality_for_kimmerle.pdf
- “Board-games and divination in global cultural history, a theoretical, comparative and historical perspective on mankala and geomancy in Africa and Asia
- African divination across time and space: the typology, intercontinental connections, prehistory, and intercultural epistemology of sub-Saharan mantics http://history.chess.free.fr/papers/van%20Binsbergen%201997.pdf http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.515.7201&rep=rep1&type=pdf
- African Spirituality, an Approach from Intercultural Philosophy https://them.polylog.org/4/fbw-en.htm