1. 1920-1921 Die vergleichende Anatomie des Nervensystems der Wirbeltiere und des Menschen. Bohn, Haarlem, 2 vols.
2. and 1936 The comparative anatomy of the nervous system of vertebrates, including man. The Macmillan Company, New York, 2 vols.
3. and 1951 The isocortex of man. University of Illinois Press, Urbana, 301 pp.
4. The brain cast of sinanthropus?a review