- Herbals, Their Origin and Evolutiion; a Chapter in the History of Botany, 1470-1670
- The Mind and the Eye: A Study of the Biologist's Standpoint (Cambridge Science Classics)
- The Mind and the Eye -- First 1st Paperback Edition
- The Natural Philosophy of Plant Form
- The Gramineae: A Study of Cereal, Bamboo and Grass