1. Corroboration versus Induction;Agassi;British Journal for the Philosophy of Science,1959
2. The Paradoxes of Confirmation;Alexander;British Journal for the Philosophy of Science,1958
3. The Paradoxes of Confirmation — A Reply to Dr Agassi;Alexander;British Journal for the Philosophy of Science,1959
4. Notes on the ‘paradoxes of confirmation’;Black,1966
5. Logical Foundations of Probability;Carnap,1950