Columbia subject headings:
Qurʼan--Evidences, authority, etc.
Qurʼan--Language, style.
Harvard subject headings:
Qurʼan as literature.
Qurʼan--Evidences, authority, etc.
Qurʼan--Language, style.
Princeton subject headings:
Qurʼan--Evidences, authority, etc.
Qurʼan--Language, style.