Columbia subject headings:
Harvard subject headings:
Catholic Church--Doctrines.
Christianity and other religions--Islam
Islam--Relations--Christianity
Mercy--Religious aspects--Christianity.
Mercy--Religious aspects--Islam.
Princeton subject headings:
Christianity and other religions--Islam.
Islam--Relations--Christianity.
Islam--Relations--Judaism.
Judaism--Relations--Islam.
Mercy--Religious aspects--Christianity.
Mercy--Religious aspects--Islam.
Wissenschaft des Judentums (Movement)--Influence.