Paru dans "Studies in the History of Arabia, Proceedings of the First International Symposium on Sources for the History of Arabia, 23rd 28th of April, 1977", 1, 1979 [publié en 1981], pp. 57-68.
Paru dans "The Second International Symposium on Studies in the History of Arabia: Pre-Islamic Arabia, Abstracts of the Papers", Riyadh, Riyadh University Press, (1979), p. 59-62.
Paru dans Al-Bahit, Festchrift Joseph Henninger zum 70. Geburtstag am 12. Mai 1976" (Studia Instituti Anthropos, 28), St Augustin bei Bonn, 1976, pp. 259-308.
Paru dans " Symbolae Biblicae et mesopotamicae Fransisco Mario Theodoro de Liagre Bohl Dedicatae, ediderunt (stud. Fr Scholten Memoriae dicata)", 4, Leiden, 1973, pp. 327-345.