Encyclopaedia of Islam, 'Begteginids': Encyclopaedia of Islam [spelling not a typo or incorrect], Second Edition First published online: 2012, P. Bearman, Th. Bianquis, C.E. Bosworth, E. van Donzel and W.P. Heinrichs (eds.), Brill, Leiden, Online version: section on the Begteginids [1] First published online: 2012. First print edition (1960-2007): ISBN9789004161214