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Bogurodzica Bogur, Khanapur Bogur, Dharwad Böğürtlen, Sivrihisar Böğürtlen, Tunceli Böğürgen, İzmit Böğürtlen, Yazıhan Böğürtlen, Birecik Böğürdelen, Hasköy Böğürtlen, SiverekTài liệu tham khảo
WikiPedia: Bogurodzica http://www.staropolska.gimnazjum.com.pl/download/B... http://www.staropolska.pl/ang/middleages/rel_poetr... https://books.google.com/books?id=fpVOAAAAIAAJ&pg=... https://books.google.com/books?id=zgaA92_v6DUC&pg=... https://archive.org/details/PolishPoetryInEnglish https://web.archive.org/web/20080430154417/http://... https://web.archive.org/web/20090215052916/http://... https://polona.pl/item/bogurodzica,Njg5MDU1MDE/0/#... https://polona.pl/item/commune-incliti-poloniae-re...