- thecrazytourist.com 15-best-castles-in-poland/
- http://polotsk.museum.by en/node/33160Excavations by V. Bulkhin. Upper Castle, Polotsk, 1978 Twisted ring from island of Gotland. 11th century. Gold 900*, filegreed. D-25,0 mm.Bulunamadı: vierchni
- hradloket.cz en/loket-castle/
- wawel.krakow.pl en/the-castle
- watercolourworld.org painting/polotsk-monastery-…Monastery in Upper Castle and the Cathedral P.W. St. Sophia - a view of the river Daugava. ... Saint Sophia Cathedral, Polotsk, Belarus.Bulunamadı: vierchni
- eu4.paradoxwikis.com Polotsk