1. AGE CHANGES IN DIMENSIONAL DIFFERENCES BETWEEN THE SKULLS OF MALE AND FEMALE APES
2. 1974 Muscles Alive: Their Functions Revealed by Electromyography. Williams and Wilkins, Baltimore.
3. 1963 The Bony Nasopharynx: A Roentgen-Craniometric Study. Universitetsførlaget, Oslo.
4. 1975 Anatomic and physiologic development of the speech apparatus. In: The Nervous System. Vol. 3. Human Communication and Its Disorders. ed. Raven Press, New York, pp. 469-481.
5. 1976 Discussion of the paper by Laitman and Crelin. In: Symposium on the Development of the Basicranium. ed. U. S. Government Printing Office, Washington, D.C., pp. 219-220.