Columbia subject headings:
Qurʼan--Criticism, interpretation, etc.
Qurʼan--Sociology.
Harvard subject headings:
Qurʼan--Criticism, interpretation, etc.
Qurʼan--Sociology.
Princeton subject headings:
Qurʼan--Language, style.
Qurʼan--Sociology.
Qurʼan--Theology.