Harris - Hegel's Logic - New paperback or softback - X555z

Sachan - Digital Logic Design Using VHDL - New paperback or softback - X555z

Sion - A Fortiori Logic - New paperback or softback - X555z

Draze - Math-A-Logic - paperback or softback - X555z

Venn - Symbolic Logic - New paperback or softback - 55 - X555z

Whately - Elements of Logic - New paperback or softback - 14 - X555z

Beonio-Brocchieri - Logic of Abelard - New paperback or softback - X555z

Princen - Logic of Sufficiency - New paperback or softback - X555z