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Robert A. Duff [25]Robert Alexander Duff [1]
  1.  76
    New Books. [REVIEW]G. A. Johnston, H. R. Mackintosh, Robert A. Duff, M. D., R. M. MacIver, A. E. Taylor, Philip E. B. Jourdain, R. F. Alfred Hoernlé, B. A., Henry J. Watt, B. Bosanquet, F. C. S. Schiller & John Edgar - 1914 - Mind 23 (89):126-150.
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  2.  19
    Spinoza's Political and Ethical Philosophy.Robert Alexander Duff - 1903 - New York: A. M. Kelley.
  3.  7
    Natural Theology.G. G. Stokes.Robert A. Duff - 1894 - International Journal of Ethics 5 (1):133-134.
  4.  17
    Can There Be a Moral Realization of an Individual Self?: Reply.Robert A. Duff - 1899 - International Journal of Ethics 9 (2):231-232.
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  5.  5
    A Study of the Ethics of Spinoza.Spinoza's Political and Ethical Philosophy.J. E. Creighton, Harold H. Joachim & Robert A. Duff - 1903 - Philosophical Review 12 (5):557.
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  6.  5
    Proverbial Morality.Robert A. Duff - 1904 - International Journal of Ethics 14 (2):172-179.
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  7.  5
    Book Review:Studies in Philosophical Criticism and Construction. Sydney H. Mellone. [REVIEW]Robert A. Duff - 1898 - Ethics 9 (1):97-.
  8.  4
    Natural Theology.G. G. Stokes.Robert A. Duff - 1893 - International Journal of Ethics 3 (2):256-257.
  9.  3
    Spinoza's Political and Ethical Philosophy.Robert A. Duff - 1904 - International Journal of Ethics 14 (2):230-233.
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  10.  4
    Proverbial Morality.Robert A. Duff - 1903 - Ethics 14 (2):172.
  11.  4
    Studies in Philosophical Criticism and Construction, by Sidney H. Mellone.Robert A. Duff - 1898 - Ethics 9:97.
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  12.  3
    Studies in Philosophical Criticism and Construction.Sydney H. Mellone.Robert A. Duff - 1898 - International Journal of Ethics 9 (1):97-101.
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  13.  3
    Via, Veritas, Vita: Lectures on "Christianity in Its Most Simple and Intelligible Form.". James Drummond.Robert A. Duff - 1896 - International Journal of Ethics 6 (2):266-267.
  14.  3
    Book Review:Natural Theology. G. G. Stokes. [REVIEW]Robert A. Duff - 1893 - Ethics 3 (2):256.
  15.  3
    Book Review:Freedom as Ethical Postulate. James Seth, George Munro. [REVIEW]Robert A. Duff - 1893 - Ethics 3 (2):254-.
  16.  2
    Proverbial Morality.Robert A. Duff - 1904 - Journal of Philosophy, Psychology and Scientific Methods 1 (7):186-187.
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  17.  5
    Book Review:Via, Veritas, Vita: Lectures on "Christianity in Its Most Simple and Intelligible Form." James Drummond. [REVIEW]Robert A. Duff - 1896 - Ethics 6 (2):266-.
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  18.  6
    Proverbial Morality.Robert A. Duff - 1904 - International Journal of Ethics 14 (2):172-179.
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  19.  2
    Can There Be a Moral Realization of an Individual Self?: Reply.Robert A. Duff - 1899 - International Journal of Ethics 9 (2):231-232.
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  20.  2
    Natural Theology, by G. G. Stokes.Robert A. Duff - 1894 - Ethics 5:133.
  21.  2
    Book Review:Natural Theology. G. G. Stokes. [REVIEW]Robert A. Duff - 1894 - Ethics 5 (1):133-.
  22.  1
    Freedom as Ethical Postulate.James Seth, George Munro.Robert A. Duff - 1893 - International Journal of Ethics 3 (2):254-256.
  23. A Reply.Robert A. Duff - 1898 - Ethics 9:231.
     
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  24. Carveth Read, Natural and Social Morals. [REVIEW]Robert A. Duff - 1909 - Hibbert Journal 8:915.
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  25. Spinoza's political and ethical philosophy.Robert A. Duff - 1903 - Revue de Métaphysique et de Morale 11 (6):8-8.
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  26. Via, Veritas, Vita, by James Drummond. [REVIEW]Robert A. Duff - 1895 - Ethics 6:266.
     
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