BIBLIOGRAPHY CONTRIBUTOR Zakarīyā Yūsuf First name Zakarīyā Last name Yūsuf Bibliography entries by this contributor Ibn Sīnā, Al-Ḥusayn. 1956. Al-šifāʾ. 3. Al-riyāḍīyāt. Ǧawāmiʿ ʿilm Al-mūsīqà. Ed. Yūsuf Zakarīyā. Cairo: Maṭbaʻa al-Amīrīya.
