2Boehner, Philotheus, 1952, Medieval Logic: an Outline of lts Development from 1250 to c. 1400, Manchester University Press.
3Burley, Walter, 2000, On the Purity of the Art of Logic : The Shorter and the Longer Treatise, translated by Paul Vincent Spade, Yale University Press.
4King, Peter, 1985, Jean Buridan's Logic: the Treatise on Supposition, the Treatise on Consequences, D. Reidel Publishing Company.
5Mullally, Joseph P. , 1945, The Summulae Logicales of Peter of Spain, University of Notre Dame Press.
6Ockham, William, 1974, Ockham' s Theory of Terms, translated and introduced by Michael J. Loux, University of Notre Dame Press.
