Science / General
- The Economic Aspect of GeologyPD
- The Principles of SciencePD
- Radio-ActivityPD
- Miscellanea Curiosa, Volume IPD
- Elements of ArithmeticPD
- On Growth and FormPD
- How It WorksPD
- Contributions to the Theory of Natural SelectionPD
- An Introduction to MathematicsPD
- The Logic of Chance, 3rd EditionPD
- The Canterbury Puzzles, and Other Curious ProblemsPD
- Philosophiae Naturalis Principia MathematicaPD
- The Foundations of Science: Science and Hypothesis, The Value of Science, Science and MethodPD