Columbia subject headings:
Bogomiles--Byzantine Empire--History--Sources.
Byzantine Empire--Church history--Sources.
Christian heresies--Byzantine Empire--History--Middle Ages, 600-1500--Sources.
Christianity and other religions--Islam.
Christianity and other religions--Judaism.
Islam--Relations--Christianity.
Judaism--Relations--Christianity.
Harvard subject headings:
Byzantine Empire--Social conditions.
Christian heresies--History--Middle Ages, 600-1500
Christian heretics--Byzantine Empire--History--Sources.
Dissenters--Byzantine Empire--History--Sources.
Jews--Byzantine Empire--History--Sources.
Muslims--Byzantine Empire--History--Sources.
Princeton subject headings:
Bogomiles--Byzantine Empire--History--Sources.
Byzantine Empire--Church history--Sources.
Christian heresies--Byzantine Empire--History--Middle Ages, 600-1500--Sources.
Christianity and other religions--Islam.
Christianity and other religions--Judaism.
Islam--Relations--Christianity.
Judaism--Relations--Christianity.