Gillispie, Charles, and Robert Hall. 1973. “Al-Khāzinī”. In Dictionary of Scientific Biography, 7:335-51. New York: Charles Scribner’s Sons.

Gillispie, Charles, and Sevim Tekeli. 1973. “Al-Khujandī”. In Dictionary of Scientific Biography, 7:352-54. New York: Charles Scribner’s Sons.

Gillispie, Charles, and Gerald Toomer. 1973. “Al-Khwārizmī”. In Dictionary of Scientific Biography, 7:358-65. New York: Charles Scribner’s Sons.

Vernet, Juan. 1973. “Al-Khwārizmī”. In Dictionary of Scientific Biography, ed. Charles Gillispie, 7:357-58. New York: Charles Scribner’s Sons.

Gillispie, Charles, Boris Rozenfeld, and Adolf Youschkevitch. 1973. “Al‐Khayyāmī”. In Dictionary of Scientific Biography, 7:323-34. New York: Charles Scribner’s Sons.

Plessner, M. 1973. “Jābir Ibn Ḥayyān”. In Dictionary of Scientific Biography, ed. Charles Gillispie, 7:39-43. New York: Charles Scribner’s Sons.

Gillispie, Charles, and David Pingree. 1973. “Keśava”. In Dictionary of Scientific Biography, 7:314-16. New York: Charles Scribner’s Sons.

Gillispie, Charles, and Abdelhamid Sabra. 1972. “Ibn Al-Haytham”. In Dictionary of Scientific Biography, 6:189-210. New York: Charles Scribner’s Sons.

Wright, Owen, and Muhsin Mahdi. 1971. “Al-Fārābī”. In Dictionary of Scientific Biography, ed. Charles Gillispie, 4:523-26. New York: Charles Scribner’s Sons.

Pingree, David. 1971. “Al-Fazārī”. In Dictionary Of Scientific Biography, ed. Charles Gillispie, 4:555-56. New York: Charles Scribner’s Sons.