Columbia subject headings:
Islam--20th century--Congresses.
Islamic philosophy--Congresses.
Nursi, Said, 1873-1960--Congresses.
Harvard subject headings:
Islam--20th century--Congresses
Islamic philosophy--Congresses.
Nursi, Said, 1873-1960--Congresses.
Princeton subject headings:
Islam--20th century--Congresses.
Islamic philosophy--Congresses.
Nursi, Said, 1873-1960--Congresses.