The Buwayhid Dynasty in Iraq 334h., 945 to 403h., 1012: Shaping Institutions ... - John J. Donohue - Google Books

https://books.google.de/books?id=arELc_R1orcC&pg=PA87&dq=Bawand+Dynastie&hl=de&sa=X&ved=0ahUKEwjtzqT-ssHRAhVKKywKHdkzB5YQ6AEIIzA

A study of the development of political and social institutions in Baghdad, center of the Abbasid Caliphate, in that neglected period between Abbasid collapse and the coming of the Seljuk Turks. Three brothers, Daylemite mercenaries from the southern…