Columbia subject headings:
Martyrdom--Congresses.
Martyrs--Middle East--Congresses.
Harvard subject headings:
Death--Social aspects--Congresses.
Martyrdom--Bahai Faith--Congresses.
Martyrdom--Comparative studies--Congresses.
Martyrdom--Congresses.
Martyrdom--History of doctrines--Congresses.
Martyrdom--Islam--Congresses.
Martyrs--Middle East--Congresses.
Popular culture--Middle East--Congresses.
Princeton subject headings:
Martyrdom--Congresses.
Martyrs--Middle East--Congresses.