BIBLIOGRAPHY CONTRIBUTOR Gregg De Young First name Gregg Last name De Young Bibliography entries by this contributor De Young, Gregg. 2007. “Sibṭ Al‐Māridīnī: Muḥammad Ibn Muḥammad Ibn Aḥmad Abū ʿAbd Allāh Badr [Shams] Al‐Dīn Al‐Miṣrī Al‐Dimashqī”. In The Biographical Encyclopedia Of Astronomers, ed. Thomas al., 1058. New York: Springer-Verlag. De Young, Gregg. 2007. “Sibṭ Al‐Māridīnī: Muḥammad Ibn Muḥammad Ibn Aḥmad Abū ʿAbd Allāh Badr [Shams] Al‐Dīn Al‐Miṣrī Al‐Dimashqī”. In The Biographical Encyclopedia Of Astronomers, ed. Thomas al., 1058. New York: Springer-Verlag. De Young, Gregg. 2004. “John Greaves' Astronomica Quaedam: Orientalism And Ptolemaic Cosmography In Seventeenth Century England”. Indian Journal Of History Of Science 39 (4): 467-510.