Columbia subject headings:
Families--Europe--Congresses.
Families--Religious life--Congresses.
Families--United States--Congresses.
Islam--Social aspects--Europe--Congresses.
Islam--Social aspects--United States--Congresses.
Harvard subject headings:
Families--Europe--Congresses.
Families--Religious life--Congresses
Families--United States--Congresses.
Islam--Social aspects--Europe--Congresses.
Islam--Social aspects--United States--Congresses.
Princeton subject headings: