Columbia subject headings:
Dialogue--Religious aspects--Islam.
Muḥammad, Prophet, -632--Ethics.
Muḥammad, Prophet, -632.
Harvard subject headings:
Dialogue--Religious aspects--Islam
Muḥammad, Prophet, -632
Muḥammad, Prophet, -632--Ethics.
Princeton subject headings:
Dialogue--Religious aspects--Islam.
Muḥammad, Prophet, -632--Ethics.
Muḥammad, Prophet, -632.