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  1. Gravity and Love as Unifying Principles.James F. O'brien - 1958 - The Thomist 21:184.
     
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  2. Structural and Operational Approaches to the Physical World.James F. O'brien - 1959 - The Thomist 22:389.
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    Zeno's Paradoxes of Motion.James F. O'Brien - 1963 - Modern Schoolman 40 (2):105-137.
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