Columbia subject headings:
Harvard subject headings:
Qurʼan--Criticism, interpretation, etc.
ʻUmar ibn al-Khaṭṭāb, Caliph, -644--Religion.
Princeton subject headings:
Qurʼan--Criticism, interpretation, etc.
ʻUmar ibn al-Khaṭṭāb, Caliph, -644--Religion.