Columbia subject headings:
Bakrī, Abū ʻUbayd ʻAbd Allāh ibn ʻAbd al-ʻAzīz, 1040-1094.
Kievan Rus--History--862-1237.
Russia--History--To 1533.
Slavs, Eastern--History.
Harvard subject headings:
Princeton subject headings:
Bakrī, Abū ʻUbayd ʻAbd Allāh ibn ʻAbd al-ʻAzīz, 1040-1094.
Russia--History--862-1237.
Russia--History--To 1533.
Slavs, Eastern--History.