Columbia subject headings:
Harvard subject headings:
Astronomy--Uzbekistan--Samarqand--History.
Mathematics--Uzbekistan--Samarqand--History.
Muslim scientists--Uzbekistan--Samarqand.
Ulugh Beg, 1394-1449.
Princeton subject headings:
Astronomy--Uzbekistan--Samarkand--History.
Mathematics--Uzbekistan--Samarkand--History.
Muslim scientists--Uzbekistan--Samarkand.
Ulugh Beg, 1394-1449.