| 1971 | Adviser |
| George Daniel Gale, Jr. | Leibniz: the Physicist and the Philosopher | Marjorie Grene |
| 1972 | |
| Frederick Joseph O'Toole | Qualities and Powers in the Corpuscular Philosophy of Robert Boyle | Ronald A. Arbini |
| 1974 | |
| John Michael King | Functionalist Explanations of Behavior | Ronald A. Arbini |
| Judy Carol Williams | The Philosophical Significance of the Notion of Seeing-as | Ronald A. Arbini |
| 1977 | |
| Bruce Alan Russell | Rawls and Utilitarianism: A Comparison and Critique | Fred R. Berger |
| 1978 | |
| Stephen Richard Hibbard | Particular Identity and Particular Reality in Plato's Middle Dialogues | John Malcolm |
| 1979 | |
| Jerald Lee Mosley | A Posteriori Necessity: Some Recent Views | Michael V. Wedin |
| 1981 | |
| Burke Hilden | Excluded-Opposite Arguments | Ronald A. Arbini |
| Paula Blanche Hunter | Architectonic and Critical Philosophy | George J. Mattey II |
| 1983 | |
| Linda Kay Bomstad | The Corpuscular Theory and the Semantics of Natural Kind Terms in Locke's Essay | Ronald A. Arbini |
| 1984 | |
| Theodore Ambrose Gracyk | Epistemological Sources of Kant's Aesthetic Theory | George J. Mattey II |
| Alistair Moles | The Metaphysical Principles of Nietzsche's Cosmology | Joel I. Friedman |
| Timothy Dean Roche | Aristotle on the Good of Man | Michael V. Wedin |
| 1985 | |
| Katharina Elsbeth Helene Dulckeit | Hegel on Meaning and Reference | George J. Mattey II |
| 1987 | |
| Dirk Meier Leben | On the Possible, the Impossible and God: The Medieval Latin Philosophical Development of New Testament Sources | Neal W. Gilbert |
| 1988 | |
| Jay Wallis Gallagher | Staking a Claim to Knowledge in an Alien Framework: From Foucault's Critique of the Confessional to Mae West on Men | George J. Mattey II & Mary Anne Warren |
| 1991 | |
| Tony Daniel Roy | On Possibility and Possible Worlds | Michael Jubien |
| 1992 | |
| David Lopez | The Question of a Sartrean Ethics | William H. Bossart |
| 1993 | |
| Melinda Lou Campbell | The Reality of Color: The Case for Subjective Realism | Richard Wollheim |
| William Stafford Hirstein | The Problem of Self-Belief | Richard Wollheim |
| Marina Alexandra Lise Oshana | Autonomy as a Social Phenomenon | John Martin Fischer |
| 1994 | |
| Leonard David Olson | Hegel and the Doctrine of the Trinity | William H. Bossart |
| 1995 | |
| Jordi Cat | Maxwell's Interpretation of the Electric and Magnetic Potentials: The Methods of Illustration, Analogy and Scientific Metaphor | Paul Teller |
| 1996 | |
| Nancy Elizabeth Shaffer | Understanding Bias in Scientific Practice | Paul Teller |
| 1997 | |
| Scott Andrew Merlino | Are Biological Species Individuals? | James R. Griesemer |
| Robert Wilson Mutti | The Semantic Content of Proper Names | Jeffrey C. King |
| David Eric Nachmanoff | A Moral Justification for the Right to National Self-Determination | David Copp |
| Howard Mark Pressman | Hume on Geometry and Infinite Divisibility | George J. Mattey II |
| Leslie Elizabeth Stapp | A Revision of David Lewis's "Golden Card": The Classification of Relations Via a New Intrinsic/Extrinsic Property Relation | Michael Jubien |
| 1998 | |
| Elizabeth Volk Forrester | Emergent Properties | Paul Teller
|
| 1999 | |
| Judith Worth Cross | The Nature of Events | Michael Jubien
|
| Richard Constanz Shubert | Moral Judgments, Normative Reasons, and the Motivation of the Practically Rational | David Copp
|
| 2000 | |
| Sherry Lynn Deveaux | The Essence of Spinoza's God | Joel I. Friedman & Don Garrett |
| 2001 | |
| Patrick John Findler | Moral Properties, Secondary Qualities, and Moral Motivation | David Copp |
| Robert Scofield | Skepticism and Analogical Reasoning in Law | David Copp |
| Christina Waters | Sartre's Theory of the Magical | William H. Bossart |
| 2002 | |
| Todd Harris | The Construction and Evaluation of Data Models in Cell Biology | Paul Teller |
| William Russell Payne | On the Nature of Dispositions | Michael Jubien |
| 2003 | |
| James David Byrd, Jr. | Is a Unified Account of Concepts Possible? | Robert Cummins |
| Martin Anthony Anderson Roth | The Role of Programs in Connectionist Explanations of Cognition | Robert Cummins |
| 2004 | |
| Lynne O'Neil Fox | Equality in Meeting Basic Needs: Reasons for, and Challenges to, a Theory of Distributive Justice that Focuses on Basic Needs | David Copp & Gerald Dworkin |
| 2005 | |
| Matthew Horace Haber | The Centrality of Phylogenetic Thinking | James Griesemer |
| 2006 | |
| Christian Lang Coons | The Value of Individuals and the Value of States of Affairs | Connie Rosati & Pekka Väyrynen |
| David James Freelove | The Axioms and Substance in Aristotle's Science of Metaphysics | Michael Wedin |
| Alexa Heidi Lee | A Defense of Descriptivism | Robert Cummins & Michael Glanzberg |
| 2007 | |
| James Craig Blackmon | Computationalism and the Putnam-Searle Thesis | Robert Cummins & Paul Teller |