Columbia subject headings:
Apologetics--Early works to 1800.
Christianity and other religions--Islam--Early works to 1800.
Islam--Controversial literature--Early works to 1800.
Manuscripts, Syriac.
Harvard subject headings:
Apologetics--Early works to 1800
Christianity and other religions--Islam--Early works to 1800
Islam--Controversial literature--Early works to 1800.
Manuscripts, Syriac.
Princeton subject headings:
Apologetics--Early works to 1800.
Islam--Controversial literature--Early works to 1800.
Qurʼan--Criticism, interpretation, etc.--Early works to 1800.