Augustine, and Gillian Clark. Confessions. [New ed.]. Greece and Rome live. Bristol: Bristol Phoenix, 2005. Web. <https://ezproxy.lib.gla.ac.uk/login?url=https://dx.doi.org/10.5949/liverpool/9781904675402.001.0001>.
Barth, Karl, Geoffrey W. Bromiley, and Thomas F. Torrance. Church Dogmatics: Vol. 2, Pt. 1: The Doctrine of God. 1st pbk. ed. London: T. & T. Clark International, 2004. Web. <https://www.vlebooks.com/vleweb/product/openreader?id=GlasgowUni&isbn=9780567638212>.
Barth, Karl, Dietrich Ritschl, and Geoffrey Bromiley. The Theology of Schleiermacher: Lectures at Gottingen, Winter Semester of 1923-24. Grand Rapids, Mich: Eerdmans, 1982. Print.
Brown, Peter Robert Lamont. Augustine of Hippo: A Biography. New ed., with an epilogue. Berkeley, Calif: University of California Press, 2000. Print.
Brunner, Emil, Karl Barth, and John Baillie. Natural Theology: Comprising ‘Nature and Grace’. London: Bles, 1946. Print.
Buber, Martin, and Walter Kaufmann. I and Thou. Edinburgh: T. & T. Clark, 1970. Print.
Calvin, Jean, and Henry Beveridge. Institutes of the Christian Religion. First eBook edition. Peabody, Massachusetts: Hendrickson Publishers, 2011. Web. <https://ebookcentral.proquest.com/lib/gla/detail.action?docID=6970111>.
Caputo, John D., and Michael J. Scanlon. Augustine and Postmodernism: Confessions and Circumfession. Indiana series in the philosophy of religion. Bloomington: Indiana University Press, 2005. Print.
---. God, the Gift, and Postmodernism. The Indiana series in the philosophy of religion. Bloomington, Ind: Indiana University Press, 1999. Print.
Carlisle, Clare. Kierkegaard: A Guide for the Perplexed. London: Continuum, 2006. Print.
Coakley, Sarah. God, Sexuality and the Self: An Essay ‘on the Trinity’. Cambridge: Cambridge University Press, 2013. Web. <https://ezproxy.lib.gla.ac.uk/login?url=https://doi.org/10.1017/CBO9781139048958>.
Collins, Paul M. and Oxford University Press. Trinitarian Theology West and East : Karl Barth, the Cappadocian Fathers, and John Zizioulas. Oxford: Oxford University Press, 2001. Web. <https://ezproxy.lib.gla.ac.uk/login?url=https://dx.doi.org/10.1093/acprof:oso/9780198270324.001.0001>.
Conway, Pádraic, and Fainche Ryan, eds. Karl Rahner: Theologian for the Twenty-First Century. 1st, New ed ed. Vol. 3. Bern: Peter Lang AG, Internationaler Verlag der Wissenschaften, 2011. Web. <https://ezproxy.lib.gla.ac.uk/login?url=https://www.peterlang.com/view/product/43613?format=EPDF>.
Cunningham, Mary, and Elizabeth Theokritoff. The Cambridge Companion to Orthodox Christian Theology. Cambridge: Cambridge University Press, 2008. Print.
Cupitt, Don. Taking Leave of God. New ed. SCM classics. London: SCM, 2001. Print.
---. The Sea of Faith. London: British Broadcasting Corporation, 1984. Print.
Daly, Mary. Beyond God the Father: Toward a Philosophy of Women’s Liberation. Boston, Mass: Beacon Press, 1985. Web. <https://ezproxy.lib.gla.ac.uk/login?url=https://search.ebscohost.com/login.aspx?direct=true&db=nlebk&AN=44255&site=ehost-live>.
Davies, Brian, and Brian Leftow. Aquinas: Summa Theologiae, Questions on God. Cambridge texts in the history of philosophy. Cambridge: Cambridge University Press, 2006. Print.
Eckhart, Meister, and Maurice O’C. Walshe. German Sermons & Treatises Vol.3. London: Watkins, 1979. Print.
Evans, C. Stephen. Passionate Reason: Making Sense of Kierkegaard’s Philosophical Fragments. The Indiana series in the philosophy of religion. Bloomington, IN: Indiana University Press, 1992. Print.
Ferreira, M. Jamie. Transforming Vision: Imagination and Will in Kierkegaardian Faith. Oxford: Clarendon Press, 1991. Print.
Fulkerson, Mary McClintock, and Sheila Briggs. The Oxford Handbook of Feminist Theology. Oxford handbooks in religion and theology. Oxford: Oxford University Press, 2012. Web. <https://ezproxy.lib.gla.ac.uk/login?url=https://dx.doi.org/10.1093/oxfordhb/9780199273881.001.0001>.
Gerrish, Brian. The Old Protestantism and the New: Essays on the Reformation Heritage. London: T&T Clark International, 2004. Web. <https://ebookcentral.proquest.com/lib/gla/detail.action?docID=5114542>.
Gilson, Étienne. The Christian Philosophy of Saint Augustine. London: Gollancz, 1961. Print.
Gilson, Etienne. The Christian Philosophy of St. Thomas Aquinas. N.p. Print.
Hampson, Margaret Daphne. After Christianity. 2nd ed. London: SCM Press, 2002. Print.
Harrison, Carol and Oxford University Press. Augustine: Christian Truth and Fractured Humanity. Christian theology in context. Oxford: Oxford University Press, 2000. Web. <https://ezproxy.lib.gla.ac.uk/login?url=https://dx.doi.org/10.1093/acprof:oso/9780198752202.001.0001>.
Horn, Robert Leslie. Positivity and Dialectic: A Study of the Theological Method of Hans Lessen Martensen. Danish golden age studies. Copenhagen: Søren Kierkegaard Research Centre, 2007. Print.
Houtepan. God: An Open Question. An Open Question. London: Pippin Publishing Corporation, 2002. Print.
Hunsinger, George. How to Read Karl Barth: The Shape of His Theology. New York: Oxford, 1991. Print.
Kerr, Fergus. After Aquinas: Versions of Thomism. Oxford: Blackwell, 2002. Print.
Kierkegaard, Søren, Howard V. Hong, and Edna H. Hong. Philosophical Fragments: Or, A Fragment of Philosophy. Kierkegaard’s writings. Princeton, NJ: Princeton University Press, 1985. Web. <https://www.vlebooks.com/vleweb/product/openreader?id=GlasgowUni&isbn=9781400846962>.
Lacugna, Catherine Mowry. God for Us: The Trinity and Christian Life. 1st ed. [San Francisco]: HarperSanFrancisco, 1991. Print.
Luibhéid, Colm, Paul Rorem, and Pseudo-Dionysius. Pseudo-Dionysius: The Complete Works. The classics of Western spirituality. New York: Paulist Press, 1987. Print.
Luther, Martin, J. I. Packer, and O. R. Johnston. The Bondage of the Will. London: J. Clarke, 1957. Print.
Macquarrie, John. Principles of Christian Theology. Rev. ed. London: SCM Press, 1977. Print.
Manning, Russell Re. The Cambridge Companion to Paul Tillich. Cambridge companions to religion. Cambridge: Cambridge University Press, 2009. Print.
Mariõna, Jacqueline. The Cambridge Companion to Friedrich Schleiermacher. Cambridge, UK: Cambridge University Press, 2005. Print.
Marmion, Declan, and Mary E. Hines. The Cambridge Companion to Karl Rahner. Cambridge: Cambridge University Press, 2005. Print.
Martensen, H. Christian Dogmatics: A Compendium of the Doctrines of Christianity. Clark’s foreign theological library. Edinburgh: T. & T. Clark, 1866. Print.
Martin Buber: A Contemporary Perspective. The library of Jewish philosophy. Syracuse, NY: Syracuse University Press, 2002. Print.
Master Eckhart, and Oliver Davies. Selected Writings. Penguin classics. London: Penguin Books, 1994. Print.
McCormack, Bruce L. Karl Barth’s Critically Realistic Dialectical Theology: Its Genesis and Development, 1909-1936. Oxford: Clarendon, 1995. Web. <https://ezproxy.lib.gla.ac.uk/login?url=https://dx.doi.org/10.1093/0198269560.001.0001>.
McGinn, Bernard. Mystical Thought of Meister Eckhart: The Man Whom God Hid Nothing. Edward Cadbury lectures; 2000-2001. New York: The Crossroad Publishing Company, 2003. Print.
---. The Foundations of Mysticism. The presence of God : a history of Western Christian mysticism. London: SCM Press, 1992. Print.
---. The Harvest of Mysticism in Medieval Germany (1300-1500). The presence of God : a history of Western Christian mysticism vol. 4. New York: Crossroad Publishing Company, 2005. Print.
Methuen, Charlotte. Luther and Calvin: Religious Revolutionaries. Oxford: Lion, 2011. Print.
Moltmann, Jurgen. The Trinity and the Kingdom of God: The Doctrine of God. London: SCM Press, 1981. Print.
Morgan, Michael L., and Peter Eli Gordon. The Cambridge Companion to Modern Jewish Philosophy. Cambridge: Cambrige University Press, 2007. Print.
Niebuhr, Richard R. Schleiermacher on Christ and Religion. The library of philosophy and theology. London: S.C.M. Press, 1965. Print.
Parsons, Susan Frank. The Cambridge Companion to Feminist Theology. Cambridge companions to religion. Cambridge: Cambridge University Press, 2002. Print.
Pattison, George. God and Being: An Enquiry. Oxford: Oxford University Press, 2011. Web. <https://ezproxy.lib.gla.ac.uk/login?url=https://dx.doi.org/10.1093/acprof:oso/9780199588688.001.0001>.
---. Kierkegaard and the Theology of the Nineteenth Century: The Paradox and the ‘Point of Contact’. Cambridge: Cambridge University Press, 2012. Web. <https://ezproxy.lib.gla.ac.uk/login?url=https://dx.doi.org/10.1017/CBO9781139088237>.
---. Paul Tillich’s Philosophical Theology: A Fifty Year Reappraisal. Basingstoke: Palgrave Macmillan, 2014. Print.
---. The End of Theology - and the Task of Thinking about God. London: SCM Press, 1998. Print.
---. The Philosophy of Kierkegaard. London: Routledge, 2014. Web. <https://ezproxy.lib.gla.ac.uk/login?url=https://www.taylorfrancis.com/books/9781315712208>.
Pauck, Wilhelm, and Marion Pauck. Paul Tillich: His Life and Thought. London: Collins, 1977. Print.
Rahner, Karl, and W.V. Dych. Foundations of Christian Faith: An Introduction to the Idea of Christianity. London: Darton, Longman & Todd, 1978. Print.
Schleiermacher, Friedrich, and R. Crouter. On Religion: Speeches to Its Cultured Despisers. Cambridge texts in the history of philosophy. Cambridge [England]: Cambridge University Press, 1996. Web. <https://ezproxy.lib.gla.ac.uk/login?url=https://hdl.handle.net/2027/heb.30792>.
Sheehan, Thomas. Karl Rahner: The Philosophical Foundations. Athens, O.: Ohio University Press, 1987. Print.
Smith, Ronald Gregor. Martin Buber. Makers of contemporary theology. London: Carey Kingsgate Press, 1966. Print.
Smith, Ronald Gregor, K. Gregor Smith, and Allan Douglas Galloway. The Doctrine of God. London: Collins, 1970. Print.
Stump, Eleonore. Aquinas. Arguments of the philosophers. Abingdon: Routledge, 2005. Print.
Tillich, Paul. Systematic Theology, Vol. 1. London: Nisbet, 1953. Print.
Torrance, Thomas F. Theological Science. London: Oxford U.P, 1969. Print.
Webster, J. B. The Cambridge Companion to Karl Barth. Cambridge companions to religion. Cambridge: Cambridge University Press, 2000. Print.
Zizioulas, John D. Being as Communion: Studies in Personhood and the Church. Contemporary Greek theologians. Crestwood, NY: St Vladimir’s Seminary Press, 1993. Print.