BIBLIOGRAPHY CONTRIBUTOR Gregg DeYoung First name Gregg Last name DeYoung Bibliography entries by this contributor DeYoung, Gregg. 2007. “Cholgi: Maḥmūd Shāh Cholgi”. In The Biographical Encyclopedia of Astronomers, ed. Thomas al., 1:231. New York: Springer-Verlag. DeYoung, Gregg. 2007. “Farghānī: Abū Al-ʿAbbās Aḥmad Ibn Muḥammad Ibn Kathīr Al-Farghānī”. In The Biographical Encyclopedia of Astronomers, ed. Thomas Hockey, 1:357. New York: Springer-Verlag. DeYoung, Gregg. 2007. “Nayrīzī: Abū al‐ʿAbbās al‐Faḍl Ibn Ḥātim al‐Nayrīzī”. In The Biographical Encyclopedia of Astronomers, ed. Thomas Hockey, 823. New York: Springer-Verlag. DeYoung, Gregg. 1997. “Al-Jawharī’s Additions to Book V of Euclid’s Elements”. Zeitschrift für Geschichte Der Arabisch-Islamischen Wissenschaften 11: 153-78. DeYoung, Gregg. 1994. “Ibn Al-Sari on Ex Aequali Ratios: His Critique of Ibn Al-Haytham and His Attempt to Improve the Parallelism Between Books V and VII of Euclid’s ’Elements’”. Zeitschrift für Geschichte Der Arabisch-Islamischen Wissenschaften, 99-152. DeYoung, Gregg. 1984. “The Arabic Textual Traditions of Euclid’s Elements”. Historia Mathematica 11: 147-60.
