Tham khảo Thân_vương_quốc_Turov

  1. Jan Tyszkiewicz (2015): The stronghold in Sypniewo from the 10th–11th century (p. 295)[liên kết hỏng]
  2. Franklin, Simon; Shepard, Jonathan (2014). The Emergence of Rus 750-1200. Longman History of Russia. Routledge. ISBN 9781317872245. There arrived 'from overseas' a certain Rogvolod (Ragnvaldr in Old Norse). He installed himself on the Western Dvina at Polotsk, reportedly enjoying princely status. Likewise, Tur or Tury set himself up in a promontory fort by the Pripet, staying there long enough to leave his name on the place, Turov. It seems to have been a recent foundation, if not his own.

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