Columbia subject headings:
Harvard subject headings:
Ibn Masʻūd, ʻAbd Allāh, -652 or 653--Biography.
Muḥammad, Prophet, -632--Companions--Biography.
Princeton subject headings:
Ibn Masʻūd, ʻAbd Allāh, -652 or 3--Biography.
Muḥammad, Prophet, -632--Friends and associates--Biography.