Columbia subject headings:
Abbasids--Biography.
Hārūn al-Rashīd, Caliph, approximately 763-809.
Khaizurān, Queen of Bagdad, -789.
Queens--Islamic Empire--Biography.
Zubaidah, Queen of Bagdad, -831.
Harvard subject headings:
Arabian Peninsula--Biography.
Hārūn al-Rashīd, Caliph, approximately 763-809.
Khaizurān, Queen of Baghdad, -789.
Zubaidah, Queen of Baghdad, -831.
Princeton subject headings: