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Cosmas, see Kosmas.
Dlugosz, Jan, Historiae Polonicae Libri XII (Krakow, 1873‑78), 5 vols.
Helmold, Priest of Bosau, Cronica Slavorum , Schmeidler, В., ed. (Hannover and Leipzig, 1909). Англ. перев., Tschan, F.J., в Records of Civilization , 21 (New York, Columbia University Press, 1935).
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Kadlubek, Vincentus, Chronica Polonorum , Przezdsiecki, A., ed. (Krakow, 1862)
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Lambertus Monachus Hersfeldensis, Opera , Holder‑Egger, O., ed. (Hannover and Leipzig, 1804), pp. 1‑304.
Saxo Grammaticus, Gesta Danorim , Holder, A., ed. (Strassburg, 1886). Olrik, J., and Raeder, H., eds. (Copenhagen, 1931), 2 vols.
Thietmar of Merseburg, Chronicon , Kurze, F., ed. (Hannover, 1889). Vincentius, see Kadlubek.