1. 1972: Introduction to Mathematical Techniques in Pattern Recognition. Wiley, New York
2. 1972: Numerical Analysis and Computation. Theory and Practice. Addison-Wesley, Reading (Mass.)
3. 1974: Automatische Klassifikation. Vandenhoeck & Ruprecht, Göttingen.
4. The estimation of the gradient of a density function, with applications in pattern recognition
5. 1965: Automatic Classification in Anthropology. Hrsg. D. Hymes, London, 357–376.