1. Byrnes, RF. 1968.Pobedonostsev: His Life and Thought, 83London: Indiana UniversityPress.
2. Calder, L. Cheyne H. & Scully, T. (eds) (1974)Correspondence of IU. Samarin and Baroness Rahden, 1861–1876(Waterloo, ON, Wilfrid Laurier University), pp. 86–8, 92
3. Erdmann, KD. 1972.Kurt Riezler: Tagebücher, Aufsätze, Dokumente, 99Göttingen: Vandenhoeck and Ruprecht.