Treatise on Basic Philosophy - Bunge, Mario (D. Reidel Publishing Company, 1974)
Vol. 1. Sense and reference, Vol. 2. Semantics II: Interpretation and truth, Vol. 4. Ontology II: a world of systems, Vol. 5. Epistemolgy & methodology I: exploring the world, Vol. 6. Epistemology & methodology II: understanding the workd.