Peter Lang
- Peter Lang published the following 4 sources, containing a total of 29 diagrams.
- François, Jacques, Pierre Larrivée, Dominique Legallois, and Franck Neveu, eds. 2013. La linguistique de la contradiction. Bruxelles: Peter Lang. (0 diagrams)
- Beziau, Jean-Yves, and Gillman Payette, eds. 2012. The Square of Opposition. A General Framework for Cognition. Bern: Peter Lang. (26 diagrams)
- Tammelo, Ilmar, and Erhard Mock, eds. 1986. Rechtstheorie und Gesetzgebung. Festschrift für Robert Weimar. Frankfurt am Main: Peter Lang. (2 diagrams)
- Nyasani, Joseph M. 1982. An Introduction to Traditional Logic. Frankfurt am Main: Peter Lang. (1 diagram)