Stephen J. Plant, "When Karl met Lollo: the origins and consequences of Karl Barth's relationship with Charlotte von Kirschbaum." Scottish Journal of Theology 72.2 (2019): 127-145 online.
Muers, Rachel (August 2020). "The personal is the (academic) political: Why care about the love lives of theologians?". Scottish Journal of Theology. 73 (3): 191–202. doi:10.1017/S0036930620000319.
Busch, Eberhard. Karl Barth: His Life from Letters and Autobiographical Texts. Trans. John Bowden. Eugene, OR: Wipf & Stock, 2015. 394. Print. "Karl Barth's Rejection of Universalism". The PostBarthian. 18 August 2016. Retrieved 5 April 2019.
George Hunsinger's review of S. Seliger, Charlotte von Kirschbaum and Karl Barth: A Study in Biography and the History of Theology. Archived 27 September 2007 at the Wayback Machine
George Hunsinger's review of S. Seliger, Charlotte von Kirschbaum and Karl Barth: A Study in Biography and the History of Theology. Archived 27 September 2007 at the Wayback Machine