Russian Official Census (2002). ციტატა: „Cossacks and Pomory are accounted in the records as separate ethnic subgroups of Russians.“ ციტირების თარიღი: 2019-02-18
S.A, Wirtualna Polska Media (2014-02-03). „Polacy rządzili na Kremlu. Syna Zygmunta III Wazy obwołano carem“. opinie.wp.pl (პოლონური). დაარქივებულია ორიგინალიდან — 2020-07-28. ციტირების თარიღი: 2020-02-14. ციტატა: „For Poland, the Dymitriads found their end only at the turn of 1618 and 1619 of the truce contained in Dywilno. As a result of an earlier march of hetman Jan Karol Chodkiewicz, supported by a Cossack army of 20,000, the capital of Russia was threatened again. At the same time, troops of Lisowczyk and Cossacks spread terror, ravaging nearby towns. Faced with the country's poor internal situation, Moscow could not afford to repeat the devastating struggle. Tsar Michał I Romanow decided to end the war.“
S.A, Wirtualna Polska Media (2014-02-03). „Polacy rządzili na Kremlu. Syna Zygmunta III Wazy obwołano carem“. opinie.wp.pl (პოლონური). დაარქივებულია ორიგინალიდან — 2020-07-28. ციტირების თარიღი: 2020-02-14. ციტატა: „For Poland, the Dymitriads found their end only at the turn of 1618 and 1619 of the truce contained in Dywilno. As a result of an earlier march of hetman Jan Karol Chodkiewicz, supported by a Cossack army of 20,000, the capital of Russia was threatened again. At the same time, troops of Lisowczyk and Cossacks spread terror, ravaging nearby towns. Faced with the country's poor internal situation, Moscow could not afford to repeat the devastating struggle. Tsar Michał I Romanow decided to end the war.“
