Essentials of Symbolic Logic by R.L. Simpson

Essentials of Symbolic Logic

Symbolic Logic Boolean Algebra and The Design Of Digital Systems

Symbolic Logic by John Venn Revised Second Edition 1971 Chelsea Publishing Co.

Ghostboat by George E. Simpson And Neal R. Burger (NEL Paperback, 1980 Reprint).

Lewis Carroll's Symbolic Logic by Bartley

Symbolic Logic. Fourth Edition, Copi, Irving M., Good Book

The Essentials of Logic: Being Ten Lectures on Judgement ..by Bernard Bosanquet