1. [—]. 1999. Die Kontroverse zwischen Platonikern und Aristotelikern im 15. Jahrhundsssert: Gemisthos Plethon – Georgios Trapezuntios – Kardinal Bessarion. In Philosophen der Renaissance, ed. Paul Richard Blum, 22–33. Darmstadt: Wissenschaftliche Buchgesellschaft. (Case 4.)
2. ———. 2001. Subjectivity from a semiotic point of view. In Ecosemiotics: Studies in environmental semiosis, semiotics of the biocybernetic bodies, human/too human/post human, Nordic-Baltic Summer Institute for Semiotic and Structural Studies, Part IV, ed. Eero Tarasti, Richard Littlefield, Lotta Rossi, and Maija Rossi, 149–159. Imatra: International Semiotics Institute. [Retracted in: Martinelli 2018a and 2018b.] (Case 1.)
3. ———. 2004. Subjectivity before and after Badiou. Subject Matters: A Journal of Communications and the Self 1 (2): 67–81. (Case 2.)
4. ———. 2005. Being in accordance with oneself: Moral self-controversy in Plato and Aristotle. In Controversies and subjectivity, ed. Pierluigi Barrotta and Marcelo Dascal, 75–90. Amsterdam: John Benjamins Publishing Company. [Corrigendum in: Anonymous 2017b.] (Case 3.)
5. ———. 2006a. The communication of diagnostic information by doctors to patients in the consultation. In Bordering biomedicine, ed. Vera Kalitzkus and Peter L. Twohig, 103–116. Leiden: Rodopi/Brill. [Retracted in: Anonymous 2016a.] (Case 8.)