Introduction : Realism About Causality / Ruth Groff -- Key Formulations -- Critical Realism And Substance / Roy Wood Sellars -- Causality And Substance / Roy Wood Sellars -- Essence And Accident / Irving M. Copi -- Conceptual And Natural Necessity / Rom Harre And E.h. Madden -- Powers And Dispositions / Brian Ellis -- Realism About Causality In Philosophy -- Meaning, Truth, And Causal Explanation : The 'humean Condition' Revisited / Christopher Norris -- Aristotelian Powers / Charlotte Witt -- Powers, Dispositions, Properties Or A Causal Realist Manifesto / Stephan Mumford -- Inessential Aristotle : Powers Without Essences / Anjan Chravartty -- Causal Exclusion And Evolved Emergent Properties / Alexander Bird -- Are There Natural Kinds In Psychology? / Rachel Cooper -- Realism About Causality In Social Science -- Sociology's Causal Confusion / Douglas Porpora -- The Mother Of All Isms : Organizing Political Science Around Causal Mechanisms / Andrew Bennett -- Marxian Crisis Theory And Causality / Robert Albritton -- On The Clear Comprehension Of Political Economy : Social Kinds And The Significance Of Section 2 Of Marx's Capital / Howard Engelskirchen. Edited By Ruth Groff. Includes Bibliographical References And Index.