Columbia subject headings:
Historians--Saudi Arabia--Biography.
Ḥuqayl, ʻAbd al-Karīm ibn Ḥamad ibn Ibrāhīm.
Harvard subject headings:
Historians--Saudi Arabia--Biography.
Ḥuqayl, ʻAbd al-Karīm ibn Ḥamad ibn Ibrāhīm.
Princeton subject headings: