BIBLIOGRAPHY CONTRIBUTOR Ahmad Saidan First name Ahmad Last name Saidan Bibliography entries by this contributor Saidan, Ahmad. 1990. “Al-Bīrūnī On Trigonometry”. Erdem 6. Saidan, Ahmad. 1987. “The Takmila Fiʼl-Ḥisāb Of Al-Baghdādī ”. In From Deferent To Equant: A Volume Of Studies In The History Of Science In The Ancient And Medieval Near East In Honor Of E. S. Kennedy, 437-443. New York: New York Academy of Sciences. al-Baġdādī, ʿAbd. 1986. Al-Takmila Fī ʿIlm Al-Ḥisāb. Ed. Ahmad Saidan. Kuwayt. Saidan, Ahmad. 1978. “Al-Baghdādī”. In Dictionary Of Scientific Biography, 15:9-10. New York: Charles Scribner's Sons. Saidan, Ahmad. 1978. “Hawla Khawass Al-A'dad Li-Abi Ja'far Muhammad Ibn Al-Husayn: Nazariyya Al-Muthallathat Al-'Adadiyya Li-Abi Ja'far Al-Khazin”. Dirasat Majalla 'Ilmiyya Tasdir 'An Al-Jami'a Al-Urduniyya 5 (2): 7-49. Saidan, Ahmad. 1977. “Kitāb Tasṭīḥ Al-Ṣuwar Wa-Tabṭīḥ Al-Kuwar Li-Abi'l-Rayhān Al-Bīrūnī Al-Mutawaffā Sana 440 H ”. Dirāsat Majalla ʿIlmiyya Taṣdīr ʿAn Al-Jāmiʿa Al-Urduniyya 4 (1-2): 7-22. Saidan, Ahmad. 1975. “Al-Qalasadi”. In Dictionary Of Scientific Biography, ed. Charles Coulston Gillispie, 11:229-230. New York: Charles Scribner's Sons. 1971. Tārīkh ʻIlm Al-Ḥisāb Al-ʻArabī. Ed. Ahmad Saidan. Vol. 1. Amman: Jamʻīya ʻamal al-matābiʻ al-taʻāwuniya. Saidan, Ahmad. 1971. ʻIlm Al-Ḥisāb ʻInda Al-ʻArab. Kuwayt. Saidan, Ahmad. 1960. “Hawla Rasāʾil Al-Bīrūnī”. Majalla Maʿhad Al-Makhṭūṭat Al- ʿArabiyya 6: 307-312.