Columbia subject headings:
Harvard subject headings:
Islam--20th century--Congresses
Islam--Public opinion--Congresses.
Public opinion--Asia, Central--Congresses.
Public opinion--Europe--Congresses
Public opinion--Turkey--Congresses.
Public opinion--United States--Congresses
Princeton subject headings:
Islam--20th century--Congresses.
Islam--Public opinion--Congresses.
Public opinion--Asia, Central--Congresses.
Public opinion--Europe--Congresses.
Public opinion--Turkey--Congresses.
Public opinion--United States--Congresses.