The chronology of Ancient Nations : an English version of the Arabic text of the Athâr-ul-Bâkiya of Albîrûnî ; or "Vestiges of the past", collected and reduced to writing by the author in A.H. 390-1, A.D. 1000 / Muḥammad Ibn-Aḥmad al- Bīrūnī. Transl. and ed, with notes and index by C. Edward Sachau