  2004 - Without a Tear Our Tragic Relationship with Animals (Hardcover) → Paperback ISBN-13: 9780252029110 ISBN-10: 0252029119 Genres: Nonfiction, Science & Math ?  2004 - Without a Tear Our Tragic Relationship with Animals (Paperback) → Hardcover ISBN-13: 9780252071980 ISBN-10: 0252071980 Genres: Nonfiction, Science & Math ?  1998 - On Moral Considerability an Essay on Who Morally Matters (Hardcover) ISBN-13: 9780195123913 ISBN-10: 0195123913 Genre: Nonfiction ? |
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