Columbia subject headings:
Harvard subject headings:
Bahai Faith--Controversial literature
Bahai Faith--Doctrines
Bahai Faith--Relations--Islam
Islam--Apologetic works
Islam--Relations--Bahai Faith
Islam--Relations--Judaism
Judaism--Relations--Islam
Princeton subject headings:
Bahai Faith--Doctrines.
Bahai Faith--Relations--Islam.
Islam--Relations--Bahai Faith.
Islam--Relations--Judaism.
Judaism--Relations--Islam.