| |
| 1965 | ||
|---|---|---|
| 3 | William Tuthill Parry: Comments on a Variant Form of Natural Deduction. J. Symb. Log. 30(2): 119-122 (1965) | |
| 1954 | ||
| 2 | William Tuthill Parry: A New Symbolism for the Propositional Calculus. J. Symb. Log. 19(3): 161-168 (1954) | |
| 1939 | ||
| 1 | William Tuthill Parry: Modalities in the Survey System of Strict Implication. J. Symb. Log. 4(4): 137-154 (1939) | |