Columbia subject headings:
Daʻwah (Islam)
Islam--Syria.
Muslim scholars--Syria.
Harvard subject headings:
Damascus (Syria)--History.
Daʻwah (Islam)
Islam--Syria--Damascus--History--20th century.
Mosques--Syria--Damascus--History--20th century.
Princeton subject headings:
Daʻwah (Islam)
Islam--Missions--Syria--Damascus.