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  1.  26
    J. S. Ullian (1961). More on "Grue" and Grue. Philosophical Review 70 (3):386-389.
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  2.  22
    Hilary Putnam & J. S. Ullian (1965). More About `About'. Journal of Philosophy 62 (12):305-310.
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  3.  16
    J. S. Ullian (1962). Corollary to Goodman's Explication of 'About'. Mind 71 (284):545.
  4.  6
    J. S. Ullian (1960). Splinters of Recursive Functions. Journal of Symbolic Logic 25 (1):33-38.
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  5. Willard Orman Quinvane & J. S. Ullian (1982). The Web of Belief. Random House.
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