Causation, chance, and credence / ed. by Brian Skyrms and William L. HarperProceedings of the Irvine Conference on Probability and Causation / ed. by Brian Skyrms and William L. HarperCausation in decision, belief change, and statistics / edited by William L. Harper and Brian SkyrmsContemporary research in philosophical logic and linguistic semantics : Proceedings of a conference held at the University of Western Ontario, London, Canada / ed. by D. [J.] Hockney, W[illiam] Harper and B. FreedFoundations and philosophy of epistemic applications of probability theory / edited by W. L. Harper and C. A. HookerFoundations of probability theory, statistical inference, and statistical theories of science : proceedings of an International Research Colloquium held at the University of Western Ontario, London, Canada, 10-13 May, 1973 / edited by W. L. Harper and C. A. HookerFoundations and philosophy of statistical theories in the physical sciences / edited by W. L. Harper and C. A. HookerFoundations and philosophy of statistical inference : proceedings of an international research colloquium held at the University of Western Ontario, London, Canada, 10-13 May 1973 / edited by W.L. Harper and C.A. HookerIfs : conditionals, belief, decision, chance, and time / ed. by William L. Harper, Robert Stalnaker and Glenn Pearce