Columbia subject headings:
Harvard subject headings:
Shīʻah--Controversial literature--Translations into English.
Shīʻah--Relations--Sunnites.
Sunnites--Relations--Shīʻah.
Princeton subject headings:
Shīʻah--Controversial literature--Translations into English.
Shīʻah--Relations--Sunnites.
Sunnites--Relations--Shīʻah.