InteLex Past Masters is comprised of 117 full-text humanities databases that make available cohesive collections of editions, in both original language and in English translation, of seminal figures in the humanities and social sciences. Much of the content is licensed from Oxford University Press, with significant collections from other major scholarly publishers including Harvard University Press, Indiana University Press and Pickering & Chatto. Major university initiatives included in the series are the Connaught Descartes Project from the University of Toronto, John Dewey's works and correspondence from the Center for Dewey Studies at Southern Illinois University, and Ludwig Wittgenstein's Gesamtbriefwechsel from the Brenner Archive at the University of Innsbruck.