Columbia subject headings:
Christianity and other religions--Islam.
Christianity--Controversial literature.
Islam--Apologetic works.
Islam--Relations--Christianity.
Islam--Spain--History.
Muslims--Spain.
Harvard subject headings:
Christianity and other religions--Islam
Christianity--Controversial literature
Islam--Apologetic works
Islam--Relations--Christianity
Islam--Spain--History
Muslims--Spain
Princeton subject headings:
Islam--Apologetic works--History and criticism.
Islam--Spain--History.
Mudéjares--Spain--History.
Muslims--Spain--History--To 1500.