Columbia subject headings:
Islam--Doctrines.
Shīʻah--Controversial literature.
Shīʻah--Relations--Sunnites.
Sunnites--Relations--Shīʻah.
Tijānī, Muḥammad al-Ḥāfiẓ, 1897-1978.
Harvard subject headings:
Princeton subject headings:
Islam--Doctrines.
Shīah--Controversial literature.
Shīah--Relations--Sunnites.
Sunnites--Relations--Shīah.
Tijānī, Muḥammad al-Ḥāfiẓ, 1897-1978.