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  1.  49
    Transfinite induction and bar induction of types zero and one, and the role of continuity in intuitionistic analysis.W. A. Howard & G. Kreisel - 1966 - Journal of Symbolic Logic 31 (3):325-358.
  2.  63
    Ordinal analysis of simple cases of bar recursion.W. A. Howard - 1981 - Journal of Symbolic Logic 46 (1):17-30.
  3.  49
    Ordinal analysis of terms of finite type.W. A. Howard - 1980 - Journal of Symbolic Logic 45 (3):493-504.
  4.  38
    (1 other version)A system of abstract constructive ordinals.W. A. Howard - 1972 - Journal of Symbolic Logic 37 (2):355-374.
  5.  55
    Per Martin-Löf. Intuitionistic type theory. Studies in proof theory. Bibliopolis, Naples1984, ix + 91 pp. [REVIEW]W. A. Howard - 1986 - Journal of Symbolic Logic 51 (4):1075-1076.
  6.  9
    (2 other versions)Logic for Mathematicians.W. A. Howard - 1980 - Journal of Symbolic Logic 45 (2):379-380.
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  7.  42
    (1 other version)Jean-Yves Girard, Paul Taylor, and Yves LaFont. Proofs and types. Cambridge tracts in theoretical computer science, no. 7. Cambridge University Press, Cambridge etc. 1989, xi + 176 pp. [REVIEW]W. A. Howard - 1991 - Journal of Symbolic Logic 56 (2):760-761.
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  8.  31
    (1 other version)Kurt Schütte. Proof theory. Revised English translation by J. N. Crossley of XXV 243. Grundlehren der mathematischen Wissenschaften, no. 225. Springer-Verlag, Berlin, Heidelberg, and New York, 1977, xii + 299 pp. [REVIEW]W. A. Howard - 1982 - Journal of Symbolic Logic 47 (1):218-220.
  9.  30
    (1 other version)Moschovakis J. R.. Disjunction and existence in formalized intuitionistic analysis. Sets, models and recursion theory, Proceedings of the Summer School in Mathematical Logic and Tenth Logic Colloquium, Leicester, August-September 1965, edited by Crossley John N., Studies in logic and the foundations of mathematics, North-Holland Publishing Company, Amsterdam, and Humanities Press, New York, 1967, pp. 309–331. [REVIEW]W. A. Howard - 1970 - Journal of Symbolic Logic 35 (4):587-588.