1. In the Light of Evolution, Volume I: Adaptation and Complex Design,2006
2. The Semantic Theory of Evolution;Barbieri,1985
3. The Organic Codes. An Introduction to Semantic Biology;Barbieri,2003
4. Life and semiosis: the real nature of information and meaning;Barbieri;Semiotica,2006
5. Introduction to Biosemiotics. The New Biological Synthesis,2007