- its-poland.com attraction/ksiaz-castleIf you enjoy conspiracy theories of the human civilization, there is no other such place like Książ as digressions about Hitler purposes for Książ are numerous.
- medievalheritage.eu en/main-page/heritage/poland/…plan of the castle according to J.Pilch, medieval site is bold. reconstruction of the medieval castle from the north-east according to T.Maroński, source Zamek Książ.
- twitter.com Zamek_KsiazZamek Książ The Pearl of Lower Silesia, Książ Castle, is undoubtedly one of the greatest tourist attractions of the region.
- Ksiaz Castle is one of the biggest castles in Europe. It's the third biggest castle in Poland and the biggest one in South Silesia.
- polandtravelexpert.com ksiaz-castle/Ksiaz Castle’s opening hours. Książ Castle, also known by its German name Schloss Fürstenstein, stands proudly in Wałbrzych, Poland.
- en-academic.com dic.nsf/enwiki/6545003Książ (German: Fürstenstein Castle, Wistenberch, Vorstinberech, Vorstinburg and Fürstenberg) is a castle in Silesia, Poland near the town of Wałbrzych.
- wannabeeverywhere.com castle/ksiaz-castle/The Książ castle was built at the end of the 13th century (1288-1292) by Bolko I, who also built many other defense fortifications in the area.
- villagreta.pl en/guide/castles-palaces/castle-…Książ is the third largest castle in Poland. This beautifully situated architectural complex is unique in the whole of Europe.
- getyourguide.com ksiaz-castle-l94182/Begin this full-day tour of the Lower Silesia with a visit to the magnificent Ksiaz Castle, undoubtedly one of the greatest monuments in the region.