A. N. Prior On Propositions Neither Necessary Nor Impossible. [Citation Graph (0, 0)][DBLP] J. Symb. Log., 1953, v:18, n:2, pp:105-108 [Journal]
J. C. C. McKinsey Systems of Modal Logic Which are Not Unreasonable in the Sense of Hallden. [Citation Graph (0, 0)][DBLP] J. Symb. Log., 1953, v:18, n:2, pp:109-113 [Journal]
W. V. Quine On omega;-Inconsistency and a So-Called Axiom of Infinity. [Citation Graph (0, 0)][DBLP] J. Symb. Log., 1953, v:18, n:2, pp:119-124 [Journal]
J. Richard Büchi Investigation of the Equivalence of the Axiom of Choice and Zorn's Lemma from the Viewpoint of the Hierarchy of Types. [Citation Graph (0, 0)][DBLP] J. Symb. Log., 1953, v:18, n:2, pp:125-135 [Journal]