Rasa'ilu'l-mutafarriqa f'il-hai'at : li' -mutaqaddimin wa mu'asiray il-biruni : Containing Eleven Important Treatises on Astronomy and other subjects : Contributed by the famous Predecessors and Contemporaries of al-Biruni (9th, 10th, 11th century A. D.) : Based on the Unique Compendium of Mathematical and Astronomical treatises in the Oriental Public Library, Bankipore : Arabic Ms. 2468 /24, 30, 25, 23, 7, 34, 39, 41, 31, 40, 6 (Osmania Oriental Publications Bureau, 1948)