Papers of the Rationalist Association, formerly the Rationalist Press Association, as well as affiliated companies and bodies including CA Watts and Company Limited, Pemberton Publishing Company Limited, Rationalist Benevolent Fund, Rationalist Trust, New Humanist publication, and Thinker's Book Club, (28 January 1872 - 17 September 2006). Includes: Papers of CA Watts and Company Limited, Rationalist Press Association and Rationalist Association, including: Committee minutes, papers and agendas (1929-2005), Financial papers (1895-1994), Legal papers (1872-2005), Papers regarding publishing and promotion (1919-2004), and Papers regarding administration and activities of the organisation (1881-2006). Papers of Pemberton Publishing Company Limited, including: Committee minutes, agendas and papers (1954-2000), Legal and financial papers (1948-2000), Papers regarding publishing and distribution (1962-1982), and Correspondence (1965-1972). Papers of Rationalist Benevolent Fund and Rationalist Trust, including: Committee minutes, agendas and papers (1941-2004), Legal and financial papers (1921-2004), and Correspondence (1960-2004). Papers of the Thinker's Book Club, including: Committee minutes, agendas and papers (1945-1960). Papers of the New Humanist, including: Committee minutes, agendas and papers (1971-1996), General papers and correspondence (1995-2006), and Images used in the publication (1980-2006).

Papers of Professor Charles Davis, [1959-1994] including personal papers and notes on topics including ethics, conscience, prayer, Eucharist, penance, faith, anointing of the sick, meaning of history, magisterum, atonement, freedom, sexual morality, the devil, the church, contraception, John Milton, hypnotism, Christian reform, Jesus Christ, liturgy, the Virgin Mary, ecumenism, baptism, interpreting modern theology and celibacy; working papers and papers for taught courses on the following topics: Christian mysticism, living as a Christian, theories of religion, Immanuel Kant's moral philosophy, Leslie Milton, promise of critical theology, faith and the artist, doctrine and life, Bernard Lonergan, 'our bodily selves and God', religion and literature, psychoanalysis, William George Ward, early Christianity, unity, Paul Ricoer, transubstantiation, David Lodge, Graham Greene, Muriel Spark, Mary Gordon, John Updike, Johann Baptist, J F Powers, Marc P Lalonde, secularisation, political theology, Medieval Christianity, Christ and the world, parables, Ursula LeGuin, Flannery O'Connor, Callahan, Iris Murdoch, Margaret Drabble, Hermuenics, Christian modernism, Thomas Hardy, the human body, Herbert Hartley Dewart and religious experience.

Notes for PhD seminars including on Karl Marx, Georg Wilhelm Friedrich Hegal, G E Moore, Reinhold Niebuhr, Friedrich Nietzsche, Godamer, William James and Richard Hare and other seminars including on Michel Foucault, Johann Wolfgang von Goethe, Max Weber, Buckminster Fuller and Woodstock College seminar, 1973.

Lectures including on the Vatican, CBC talks, 1967, the Wilson lectures, lectures at Huron College, Mar 1984 and the Simonsville talks; unpublished papers and articles by Davis; reviews, on and by Davis; papers relating to the Killam Research Fellowship; poems; press cuttings chiefly by or on Davis; obituaries; papers relating to conferences including the 'Critical theory and empirical method' conference and a report on the conference on 'The relevancy of organised religion', Oct 1969; diary of a visit to England, Aug 1975; draft manuscript 'The Presence of Christ, Reflections on the Eucharist'; papers relating to appointments including CVs and references; papers relating to academic institutions including Concordia University, Pontifica Universitas Gregoriana, Heythrop College, Lakehead University and the University of Alberta; Davis' personal financial and legal papers and other personal papers; offprints of articles and journals; PhD theses supervised by Davis and personal and professional correspondence on topics including leaving the Roman Catholic Church; the birth of his children; conferences and talks; his wedding; on 'becoming a liberated Christian'; ecclesiastical topics; royalties and correspondence with publishers, notably Cambridge University Press.