Aspects of modern logic /
Logic : key concepts in philosophy /
Logical writings /
Mathematical Logic.
Mathematical logic /
Computability and logic /
Logic and structure. /
Philosophy of logic /
Matrix logic /
The logic of categories /
The situation in logic /
Informal logic. /
Contributions to mathematical logic : proceedings of the Logic Colloquium, Hannover 1966 /
Reports on mathematical logic. No. 19
Reports on mathematical logic No. 16
Logic machines and diagrams.
Modal logic with descriptions /
Reports on mathematical logic. No. 6 /
Logic algebra and databases /
Deontic logic : introductory and systematic readings /