Open Court
- Open Court published the following 2 sources, containing a total of 9 diagrams.
- Frege, Gottlob, and Rudolf Carnap. 2004. Frege’s Lectures on Logic. Carnap’s Student Notes 1910-1914. Edited by Erich H. Reck and Steve Awodey. Chicago, IL: Open Court. (2 diagrams)
- Mercier, Charles. 1912. A New Logic. Chicago, IL: Open Court. (7 diagrams)