Columbia subject headings:
Qurʼan--Criticism, interpretation, etc.
Qurʼan--Language, style.
Sin--Islam.
Harvard subject headings:
Qurʼan--Criticism, interpretation, etc.
Qurʼan--Language, style.
Sin--Islam
Princeton subject headings:
Qurʼan--Criticism, interpretation, etc.
Qurʼan--Language, style.
Sin--Islam.