"Isma'iliyya," s.v., E.I. (new) IV. English, pp. 198-206; French, pp. 206-215.
0875. "Fatimiden und Bahrainqarmaten," Der Islam XXXIV (1959): 34-88.
0876. "Das Imamat in der fr&hen ismailitischen Lehre," Der Islam XXXVII (1961): 43-135.
0877. "Bemerkungen zur Imamitischen Firaq Literatur," Der Islam XLIII (1967): 37-52.
0878. "The Alid Ruler of Tabaristan, Daylaman, Gilan." In Atti 3 Cong. Studi Arabi e Islamici. Ravello, 1967. Pp. 483-492.
0879. "The Sources of Isma'ili Laws," J.N.E.S. XXXV, no. 1 (1976): 29-40.
0880. "Aspects of Isma'ili Theology: The Prophetic Chain and the God Beyond Being," I.C.I.C., pp. 51-66.
0881. "Ash-Sharastanis Streitschrift gegen Avicenna und ihre Widerlegung durch Nasir al-Din at-Tusi." In Akten des VII Kongresses f&r Arabistik und Islamwissenschaft. Akademie der Wissen- schaften, Philologisch-historische Klasse, Dritte Folge No. 98, G*ttingen, 1976. Pp. 250-259.
0882. "Some Notes on Non-Isma'ili Shiism in the Maghrib," S.I. XLIV (1976): 87-97.
0883. "`Abdan b. al-Rabit," s.v., Encycl. Iranica I, pp. 207-208.
0884. "Abu Sa'id Jannabi," s.v., Encycl. Iranica I, pp. 380-381.
0885. "Al-e Bavand," s.v., Encycl. Iranica I, pp. 747-753.
0886. "Al Hamidi," s.v., E.I. (new) II. English, p. 134; French, p. 137.
0887. "Ali b. Hatim," s.v., E.I. (new) II. English, p. 134; French, p. 137.
0888. "Hamza b. 'Ali," s.v., E.I. (new) III. English, p. 154; French, p. 157.
0889. "Hamdan Karmat," s.v., E.I. (new) III. English, pp. 123-124; French, p. 126.
0890. "Hatim b. Ibrahim," s.v., E.I. n.s. III.
0891. "Ibrahim," s.v., E.I. (new) III. English, p. 980; French, p. 1004.
0892. "Isma'iliyya," s.v., E.I. (new) IV. English, pp. 198-206; French, pp. 206-215.
0893. "Ka'im," s.v., E.I. (new) IV. English, pp. 456-457.
0894. "Karmati," s.v., E.I. (new) IV. French, pp. 687-692. 0895. "Khattabiyya," s.v., E.I. (new) IV. French, pp. 1163-1164.
0896. "Khodja," s.v., E.I. (new) V. English, pp. 25-27; French, pp. 226-228.