43. "Distinction of Feminine Gender in Southern Tati," Studia Classica et Orientalia Antonio Pagliaro Oblata, Vol. III, Rome: 1969, pp. 281-301.
44. "Persian Drama," The Reader's Encyclopedia of World Drama, Vol. III, ed. Bassner and Quinn, New York: Thomas Crowell & Co., 1969, pp. 647-52.
45. "Persian Literature in the Islamic Period," The Cambridge History of Islam, Vol. 2: The Further Islamic Lands, Islamic Society and Civilization, ed. Holt, Lambton, and Lewis, Cambridge: Cambridge University Press, 1970, pp. 671-82.
46. "The Tati Dialects of Tårom," W. B. Henning Memorial Volume, London: Asia Major Library, 1970, pp. 451-67.
49. "The Passing Away of a Distinguished Scholar [Obituary of S. H. Taqizadeh]" (Dargozasht-e daneshmand o daneshparvari geranqadr), Yadnama-ye Taqizadeh, ed. H. Yaghma'i, Tehran: 1970.
50. "Persian Modern Literary Idiom," Iran Faces the Seventies, ed. Ehsan Yar-Shater, New York: Praeger Publishers, 1971, pp. 284-320; reprinted in Critical Perspectives on Modern Persian Literature, ed. Th. Ricks, Washington, D.C.: Three Continents Press,1984, pp. 448-57.
51. "Current Trends in Linguistics: Iran and Afghanistan," Current Trends in Linguistics, ed. Th. Sebeok, Vol. VI: Linguistics in South West Asia and North Africa, The Hague: Mouton & Co., 1971, pp. 669-89.
52. "Zoroaster," International Biographical Encyclopedia, New York: McGraw-Hill, 1971, s.v.
53. "Shapur II," ibid., s.v.
54. "Chosroes I," ibid., s.v.
55. "Were the Sasanians Heirs to the Achaemenids?" La Persia nel Mediovo, Rome: Accademia Nazionale dei Lincei, 1971, pp. 517-31.
56. "Persian Language and Literature," Funk & Wagnalls Standard Reference Encyclopedia, New York: 1971, s.v.
57. Entries on Persian literature in Cassell's Encycopedia of World Literature, 2nd ed., London: 1973 (a revised and enlarged version of no. 4).
58. "Common Characteristics of Persian Poetry and Music," Studies in Honor of Richard Ettinghausen, ed. P. Chelkowski, New York University and the University of Utah, 1974, pp. 59-78. k