TY - GEN A1 - Institute of History of the Polish Academy of Sciences N1 - Files of fragments from the sources concerning settlement in Masovia during the Middle Ages, made by Adam Wolff with collaborators, especially Anna Borkiewicz-Celinska and Kazimierz Pacuski N1 - Files of fragments from the sources concerning settlement in Plonsk district during the Middle Ages L1 - http://rcin.org.pl/Content/33574/PDF/WA303_50930_PLS_Cwiersk.pdf M3 - Text J2 - Ćwiersk ; Swirczsko ; Szwirsko ; Swyrczko ; Svyrsko KW - Masovia (Poland ; region) - geography [KABA] KW - Masovia KW - Middle Ages KW - settlement KW - Plonsk district T1 - Ćwiersk. Files of Plonsk district in the Middle Ages. Files of Historico-Geographical Dictionary of Masovia in the Middle Ages UR - http://rcin.org.pl/dlibra/publication/edition/33574 ER -