Logic in 1966

The Domain of Logic According to Saint Thomas Aquinas by Schmidt, Robert W.

Logical Positivism by Ayer, A. J.

Dinge, Eigenschaften Und Relationen by Ujomov, A. I.

Systems of Formal Logic by Hackstaff, L. H.

Temporal Modalities in Arabic Logic by Rescher, N.

Logical Papers: A Selection by Leibniz, G. W.