1. Bird, G., 2003, “Carnap's Internal and External Questions”, in Language, Truth and Knowledge. Contributions to the Philosophy of R. Carnap, ed. by T. Bonk, Kluwer, Dordrecht, The Netherlands, 97–131
2. Brown, H. I., 1979, Perception, Theory and Commitment. The New Philosophy of Science, First edn. 1977, The University of Chicago Press, Chicago, IL
3. Burge, T., 2003, “Logic and Analyticity”, in Fifty Years of Quine's “Two Dogmas”, ed. by H.-J. Glock, K. Glüer and G. Keil, Grazer Philosophische Studien, 66, 199–249
4. Carnap, R., 1923, “Über die Aufgabe der Physik”, Kant-Studien, 28, 90–107
5. Carnap, R., 1928/61, Der logische Aufbau der Welt * Scheinprobleme in der Philosophie (Weltkreis-Verlag, Berlin Schlachtensee, 1918; Second edn., Felix Meiner, Hamburg, 1961), English translation, The Logical Structure of the World * Pseudoproblems in Philosophy, University of California Press, Berkeley/Los Angeles, CA, 1967