I Editors' Introduction -- II Kant and Naturphilosophie -- III Nature Is the Poetry of Mind, or How Schelling Solved Goethe's Kantian Problems -- IV Kant-Naturphilosophie-Electromagnetism -- V Extending Kant:The Origins and Nature of Jakob Friedrich Fries's Philosophy of Science -- VI Kant, Fries, and the Expanding Universe of Science -- VII Kant, Helmholtz, and the Meaning of Empiricism -- VIII Operationalizing Kant: Manifolds, Models, and Mathematics in Helmholtz's Theories of Perception -- IX "The Fact of Science" and Critique of Knowledge: Exact Science as Problem and Resource in Marburg Neo-Kantianism -- X Kantianism and Realism: Alois Riehl (and Moritz Schlick) -- XI Critical Realism, Critical Idealism, and Critical Common-Sensism: The School and World Philosophies of Riehl, Cohen, and Peirce -- XII Poincaré's Circularity Arguments for Mathematical Intuition -- XIII Poincaré-Between Physics and Philosophy -- XIV Images and Conventions: Kantianism, Empiricism, and Conventionalism in Hertz's and Poincaré's Philosophies of Space and Mechanics -- References -- Contributors -- Index.