Columbia subject headings:
Harvard subject headings:
Bishrî, Salim Al---Correspondence.
Sharaf al-Dīn, ʻAbd al-Ḥusayn--Correspondence.
Shīʻah--Relations--Sunnites.
Sunnites--Relation--Shīʻah.
Princeton subject headings:
Bishrī, Salīm--Correspondence.
Sharaf al-Dīn, ʻAbd al-Ḥusayn--Correspondence.
Shīʻah--Relations--Sunnites.
Sunnites--Relation--Shiites.