1. Boda, István. 1935. “A VIII. nemzetközi filozófiai kongresszus” [“The 8th international philosophy congress”]. Athenaeum 21: 75–79.
2. Carnap, Rudolf. 1934. Theoretische Fragen und praktische Entscheidungen. Natur und Geist 2 (9): 257–260.
3. ———. 1963. ‘Intellectual Autobiography’ and ‘Replies and Systematic Expositions’. In The Philosophy of Rudolf Carnap, ed. P.A. Schilpp, 1–84. LaSalle: Open Court.
4. Cartwright, Nancy, Jordi Cat, Lola Fleck, and Thomas Uebel. 1996. Otto Neurath: Philosophy Between Science and Politics. Cambridge: Cambridge University Press.
5. Carus, André W. 2007. Carnap and Twentieth-Century Thought: Explication as Enlightenment. Cambridge: Cambridge University Press.