Columbia subject headings:
Bīrūnī, Muḥammad ibn Aḥmad, 973?-1048.
Muslim scientists--Islamic Empire--Biography.
Omar Khayyam.
Harvard subject headings:
Bīrūnī, Muḥammad ibn Aḥmad, 973?-1048.
Muslim scholars--Islamic Empire--Biography.
Omar Khayyam
Princeton subject headings:
Bīrūnī, Muḥammad ibn Aḥmad, 973?-1048.
Muslim scientists--Islamic Empire--Biography.
Omar Khayyam.