Donagan, Alan (1966). The Popper-Hempel Model Reconsidered. In W. H. Dray (Ed.), Philosophical analysis and history. NY: Harper and Row.
Coulter, Jeff (1996). Chance, cause and conduct: probability theory and the explanation of human action. In Stuart G. Shanker (Ed.), Philosophy of science, logic and mathematics in the 20th century. Routledge History of Philosophy, Vol. IX. London, UK