Risālah fī al-bāh رسالة في الباه Avicenna ابن سينا
Scope & Content:
Treatise on coitus, written at the request of an anonymous nobleman (بعض الأكابر) suffering from impotency, by Abū ‘Alī al-Ḥusayn ibn ‘Abd Allāh (أبو علي الحسين بن عبد الله), known as Ibn Sīnā (ابن سينا, latinised as Avicenna, d. 1037).