Nikonkroniek 1389. A.N. Mouravieff - trad. R.W. Blackmore, A History of the Church of Russia, Oxford, 1842, p. 381, J. Martin, Medieval Russia, 980-1584, Cambridge, 20072, p. 259.
J. Fennell, A History of the Russian Church to 1488, Londen - New York, 1995, p. 158.
A.N. Mouravieff - trad. R.W. Blackmore, A History of the Church of Russia, Oxford, 1842, p. 381. Vgl. Eerste Kroniek van Novgorod 1424 (tradd. R. Michell - N. Forbes, Londen, 1914)p. 191).
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J. Martin, Medieval Russia, 980-1584, Cambridge, 20072, p. 240. Vgl. Eerste Kroniek van Novgorod 1387 (tradd. R. Michell - N. Forbes, Londen, 1914)p. 161).
A.N. Mouravieff - trad. R.W. Blackmore, A History of the Church of Russia, Oxford, 1842, p. 381. Vgl. Eerste Kroniek van Novgorod 1424 (tradd. R. Michell - N. Forbes, Londen, 1914)p. 191).