Columbia subject headings:
Harvard subject headings:
Islam--Miscellanea
Khālid ibn Ṣafwān al-Qannāṣ, active 8th century
Princeton subject headings:
Islam--Miscellanea.
Khālid ibn Ṣafwān al-Qannāṣ, active 8th century.
Trivia and miscellanea.