Columbia subject headings:
Qurʼan--Criticism, interpretation, etc.
Symbolism of numbers--Qurʼanic teaching.
Harvard subject headings:
Qurʼan--Criticism, interpretation, etc.
Symbolism of numbers--Qurʼanic teaching.
Princeton subject headings:
Qurʼan--Criticism, interpretation, etc.
Symbolism of numbers--Qurʼanic teaching.