BIBLIOGRAPHY CONTRIBUTOR Etan Kohlberg First name Etan Last name Kohlberg Bibliography entries by this contributor Kohlberg, Etan. 1992. A Medieval Muslim Scholar At Work: Ibn Ṭāwūs & His Library. Islamic Philosophy, Theology, And Science: Texts And Studies. Vol. 12. Leiden: E. J. Brill. Yarshater, Ehsan, and Etan Kohlberg. 1989. “Bahāʾ Al‐Dīn ʿĀmilī”. In Encyclopaedia Iranica, 3:429-430. London: Routledge and Kegan Paul.