I/Approaches to Teleology, Intentionality, and Historical Understanding.- Causal and Historical Explanation.- Against Reductionism and Purism : Tertium Datur.- Is Transcendental Hermeneutics Possible?.- The Intentions of Intentionality.- Comments on Professor Hintikka’s Paper.- Reply to J. N. Findlay.- II/Causality and Intervention.- Causality and Action.- Causality and History.- An Analysis of Causality.- Explanation and Understanding of Human Behavior.- III/Human Action and its Explanation.- Human Abilities and Dynamic Modalities.- On Deciding.- Intention and Practical Inference.- The Causal Theory of Action.- Explanation and Understanding in History.- Inductive Explanation, Propensity, and Action.- IV/Replies to Commentators. Second thoughts on Explanation and Understanding.- Replies.- Determinism and the Study of Man.- Index of Names.