On Syntactical Categories. - Yehoshua Bar-Hillel (J. Symb. Log., 1950)

Bolzano's propositional logic. - Yehoshua Bar-Hillel (Arch. Math. Log., 1952)

The Present Status of Automatic Translation of Languages. - Yehoshua Bar-Hillel (Adv. Comput., 1960)

Where the Action Is and Was in Information Science. - Yehoshua Bar-Hillel; R. Carnap; E. C. Cherry; Eugene Garfield; D. W. King; F. W. Lancaster; J. C. R. Licklider; D. M. Mackay; J. W. Perry; D. J. De S. Price; Gerard Salton; Claude E. Shannon; et al. (J. Am. Soc. Inf. Sci., 1974)