1. Introduction to Biosemiotics: The New Biological Synthesis;Barbieri,2008
2. Steps to an Ecology of Mind: Collected Essays in Anthropology, Psychiatry, Evolution, and Epistemology;Bateson,1972
3. Truth, Thought, Reason: Essays on Frege;Burge,2005
4. Consciousness and the Cultural Invention of Language;Cardini,2023
5. Introduction to Logic;Copi,1961