Power: The Ideas and Applications of H. T. Odum. Colorado Univ. Press: 346–52. Parkinson, G. H. R., ed. and trans., 1966. Leibniz: Logical Papers. Oxford Univ. Press. —, and Mary Morris, trans., 1973. Leibniz: Philosophical Writings. London: J M Dent. Piper, R. F. 1957. "Review of 'Unified Symbolism for World Understanding in Science' by Oliver L. Reiser," Philosophy and Phenomenological Research 17: 432–33. Radnitzky, Gerard, 1981. "Analytic philosophy as the confrontation between Wittgensteinians and Popper" in Agassi, J. & Cohen, R. S. (eds.), Scientific Philosophy Today (pp. 239–286). Dordrecht: Springer Verlag. Reiser, Oliver Leslie, 1946. A philosophy for world unification: Scientific humanism as an ideology for cultural integration, Haldeman-Julius Publications. —, 1940. The Promise of Scientific Humanism Toward a Unification of Scientific, Religious, Social and Economic Thought, Oskar Piest. –, 1955. Unified symbolism for world understanding in science: Including Bliss symbols (semantography) and logic, cybernetics and semantics, Semantography Pub. Co. Rescher, Nicholas, 1954. "Review of On the Project of a Universal Character by Jonathan Cohen," Journal of Symbolic Logic 19: 133. Rogers, Jr., Hartley, 1963. "An Example in Mathematical Logic," The American Mathematical Monthly 70: 929–45. Rutherford, Donald, 1995, "Philosophy and language" in Jolley, N., ed., The Cambridge Companion to Leibniz. Cambridge Univ. Press. Strickland, Lloyd, ed., 2011. Leibniz and the Two Sophies: The Philosophical Correspondence. Toronto: Iter Inc. Suppes, Patrick, 1999 (1957). Introduction to Logic. Dover. van Heijenoort, Jean, 1967. "Logic as calculus and logic as language," Synthese 17: 324–330. Reprinted in Hintikka (1997). Wiener, Philip P., 1940. "Leibniz's Project of a Public Exhibition of Scientific Inventions," Journal of the History of Ideas 1: 232–240. Woodger, Joseph H., 1937. The axiomatic method in biology, Cambridge University Press. External links Corazzon, Raul, 2010, Language as Calculus vs. Language as Universal Medium. Includes bibliography, links to online papers, and passages from the writings of Jaakko Hintikka and Jean Van Heijenoort. Smith, Barry, 1978, An Essay in Formal Ontology, Grazer Philosophische Studien 6: 39–62. —, 1990, Characteristica Universalis in K. Mulligan, ed., Language, Truth and Ontology'', (Philosophical Studies Series). Kluwer: 50–81. Gottfried Wilhelm Leibniz Engineered languages Intellectual history Classification systems