The main source sostavlenіyu this work, in the first time printed by predislovіe volume of Vilna Archaeogr. Kommissіi, now corrected and supplemented, served as the sokhranivshіyasya of Kholmskіya, Krasnostavskіya, and, in part, the drugіya act book of the former Lublin archive, then posobіem - data, demarcated, on the osnovanіi of ancient letters and other primary sources, in sochinenіyakh, articles and monografіyakh.