Columbia subject headings:
Harvard subject headings:
Qurʼan--Criticism, Textual--Early works to 1800.
Qurʼan--Criticism, interpretation, etc.--Early works to 1800.
Qurʼan--Language, style--Early works to 1800.
Qurʼan--Orthography--Early works to 1800.
Princeton subject headings:
Qurʼan--Orthography--Early works to 1800.
Writing, Arabic.