ISBN 9789004097964. https://books.google.com/books?id=sP_hVmik-QYC&q=Baha%27+al-Dawla+encyclopaedia+of+islam. Kraemer, Joel L. (1992). "Humanism in the
org/articles/buyids. Hachmeier, Klaus (2015). "Bahāʾal- Dawla". in Fleet, Kate; Krämer, Gudrun; Matringe, Denis et al.. Encyclopaedia of Islam (3rd nashri).