Kupisz D. The borderline between Russia and Livonia in Stefan Bathory's strategic plans Written by Сосницкий Дмитрий Александрович on 19 June 2014.
Prokhorenkov, Igor Aleksandrovich. Military and political print propaganda of the Polish-Lithuanian Commonwealth in the late 16th–17th centuries Written by Смирнова Светлана Сергеевна on 30 December 2021.
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