Columbia subject headings:
Harvard subject headings:
Economics--Religious aspects--Islam
Finance (Islamic law)
Money (Islamic law)
ʻUmar ibn al-Khaṭṭāb, Caliph, -644--Knowledge--Finance.
Princeton subject headings:
Economics--Religious aspects--Islam.
Finance (Islamic law)
Money (Islamic law)
ʻUmar ibn al-Khaṭṭāb, Caliph, -644--Knowledge--Finance.