By Hume, David, Schneewind, J. B.
By McKirahan, Richard D.
By Schopenhauer, Arthur, Payne, E. F. J.
By Kant, Immanuel, Ellington, James W.
By Pakaluk, Michael
By Bennett, Jonathan
By Morgan, Michael L.
By Cohen, S Marc, Curd, Patricia, Reeve, C.D.C.
By Kant, Immanuel, Ellington, James W., Carus, P.
By Rousseau, Jean-Jacques, Miller, James, Cress, Donald A.
By Dewey, John, Morris, Debra A, Shapiro, Ian
By Wootton, David
By Melchert, Norman
By Plato, Cooper, John M., Grube, G. M. A.
By Glick, T F
By Plato, Reeve, C. D. C., Grube, G. M. A.
By Thayer, H. S.
By Plato
By Locke, John, MacPherson, C. B.