Haykin, Michael A. G. Azad. “The Trinity and the Rainbow: Colour in Gregory of Nyssa’s Letter to Peter of Sebaste”. Reformed Theological Review 84, no. 3 (December 1, 2025): 167–178. Accessed May 21, 2026. https://rtrjournal.org/index.php?journal=RTR&page=article&op=view&path[]=443.