Columbia subject headings:
Islam--Apologetic works.
Islam--Relations--Christianity.
Islam--Relations--Judaism.
Harvard subject headings:
Christianity and other religions--Islam
Christianity--Controversial literature
Islam--Apologetic works
Islam--Relations--Christianity
Islam--Relations--Judaism
Judaism--Controversial literature
Judaism--Relations--Islam
Princeton subject headings:
Christianity and other religions--Islam--Early works to 1800.
Christianity--Controversial literature--Early works to 1800.
Islam--Apologetic works--Early works to 1800.
Islam--Relations--Christianity--Early works to 1800.
Islam--Relations--Judaism--Early works to 1800.
Judaism--Controversial literature--Early works to 1800.
Judaism--Relations--Islam--Early works to 1800.