The History of Prayer in Islam, pp. 95.
2-The Doctrines of Muslims — Ismā’īlīs, Qārmatians & Nosairis, 1997 edition, (pp 749-1257)
1-The Doctrines of Muslims — Mu’tazilites (p. 6-487) & Ashārītes, 1997 edition, (p. 488-751)
The Doctrines of Muslims — Mu’tazilites, Ashārītes, Ismā’īlīs, Qārmatians & Nosairis, 1997 edition, (pp. 1257)
