Jon M. Robertson, Christ as Mediator. A Study of the Theologies of Eusebius of Caesarea, Marcellus of Ancyra, and Athanasius of Alexandria, (Oxford Theological Monographs) Oxford, Oxford University Press, 2007
Joseph Lienhard, Marcellus of Ancyra and Marcellus’ Rule of Faith
Contra Marcellum: Marcellus of Ancyra and Fourth-Century Theology (review)
Marcellus or Vitalis: who presided at Ancyra 314?