The Book of instruction in the elements of the art of astrology : written in Ghaznah, 1029 A. D.; reproduced from Brit. Mus. MS. Or. 8349 / by Abuʾl-Rayḥān Muḥammad Ibn Aḥmad al-Bīrūnī. The translation facing the text by R. Ramsay Wright. London : Luzac, 1934