Theology, philosophy, and religious history, with a focus on the interconnections between Christianity, European and American philosophy, and literature in modern culture. Dr. Rasmussen is currently at work on a volume entitled Christianity and the Cultures of Modernity (under contract with Princeton University Press), and is one of the editors of Kierkegaard's Journals and Notebooks (11 volumes, also Princeton University Press).
• The Oxford Handbook of Nineteenth-Century Christian Thought, co-edited with Judith Wolfe and Johannes Zachhuber (Oxford: Oxford University Press, 2017)
• “The Transformation of Metaphysics.” In The Oxford Handbook of Nineteenth-Century Christian Thought, ed. Joel D. S. Rasmussen, Judith Wolfe, and Johannes Zachhuber (Oxford: Oxford University Press, 2017) 11–34.
• “The Divine Attributes: Kierkegaard’s Broodings on the Godhead.” In The T&T Clark Companion to the Theology of Kierkegaard, ed. Aaron Edwards and David J. Gouwens, forthcoming from Bloomsbury T&T Clark.
• “Schelling and the New England Mind.” Forthcoming in the International Journal of Philosophy and Theology.
• “Bunyan and America.” In The Oxford Handbook to John Bunyan, ed. Michael Davies and W. R. Owens (Oxford: Oxford University Press, 2018).
• “Democratic Tendencies: Liberal Protestantism and the Growth of American Pluralism.” In Modern Intellectual History (Published online on 5 April 2017 by Cambridge University Press) 1–16: Digital Object Identifier: https://doi.org/10.1017/S147924431700004X
• William James and the Transatlantic Conversation: Pragmatism, Pluralism, and Philosophy of Religion, co-edited with Martin Halliwel (Oxford: Oxford University Press, 2014).
• “William James, A Pluralistic Universe, and the Ancient Quarrel between Philosophy and Poetry.” In William James and the Transatlantic Conversation: Pragmatism, Pluralism, and Philosophy of Religion, ed. Martin Halliwell and Joel D. S. Rasmussen (Oxford: Oxford University Press, 2014).
• “Kierkegaard, Hegelianism, and the Theology of Paradox” in The Impact of Idealism: The Legacy of Post-Kantian German Thought, volume 4, ed. Nicholas Adams, Nicholas Boyle, and Liz Disley (Cambridge: Cambridge University Press, 2013).
• “Mysticism as a Category of Inquiry in the Philosophies of Ernst Troeltsch and William James” in Exploring Lost Dimensions in Christian Mysticism: Opening to the Mystical, ed. Louise Nelstrop and Simon Podmore (Farnham: Ashgate, 2013).
• “Paul Ricoeur on Kierkegaard, the Limits of Philosophy, and the Consolation of Hope”, in Kierkegaard's Influence on Philosophy, ed. Jon Stewart (Farnham: Ashgate, 2011).
• “Poetry, Piety and Paideia in Kierkegaard's Practice in Christianity”, in Kierkegaard Studies: Yearbook 2010, eds. Niels-Jørgen Cappelørn, Hermann Deuser and K. Brian Söderquist (Berlin & New York: Walter de Gruyter, 2010).
• “Kierkegaard's Biblical Hermeneutics”, in Kierkegaard's Use of the Bible, ed. Lee Barrett (Farnham: Ashgate, 2010).
• “Shakespeare: Kierkegaard's Post-Romantic Reception of the ‘Poet's Poet.’” In Kierkegaard and the Modern Tradition, ed. Jon Stewart (Farnham: Ashgate Publishing Company, 2010).
• Between Irony and Witness: Kierkegaard's Poetics of Faith, Hope, and Love (New York & London: T&T Clark, 2005).