Women at the Center: Life in a Modern Matriarchy - Peggy Reeves Sanday - Google Books

https://books.google.de/books?id=yeG9UGz4_08C&dq=matriarchy

Contrary to the declarations of some anthropologists, matriarchies do exist. Peggy Reeves Sanday first went to West Sumatra in 1981, intrigued by reports that the matrilineal Minangkabau—one of the largest ethnic groups in Indonesia—label their society a…