Jekele, Ilona. Representation of the Livonian clergy in 13th–16th century sigillographic sources Written by Смирнова Светлана Сергеевна on 27 June 2021.
Lavrentiev, A. V. The Seal of Grand Duke Dimitry Ivanovich Donskoy and Russian Fobia of 14th century Written by Сосницкий Дмитрий Александрович on 30 June 2016.
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