1. & Eds. (1983). Soil micromorphology. Berkhamsted: A B Academic Publishers.
2. & (1989). Soils and micromorphology in archaeology. Cambridge: Cambridge University Press.
3. (1990). Soil micromorphology: A basic and applied science. Amsterdam: Elsevier.
4. (1938). Micropedology. Ames, IA: Collegiate Press.