Columbia subject headings:
Islam--Doctrines--Miscellanea.
Islam--History--Miscellanea.
Harvard subject headings:
Islam--Doctrines--Miscellanea
Islam--History--Miscellanea.
Princeton subject headings:
Islam--Doctrines--Miscellanea.
Islam--History--Miscellanea.
Trivia and miscellanea.