- http://zbigniewblukacz.pl en/about-artist/“15th anniversary of Extravagance Gallery”, Sielecki Castle, Sosnowiec, Poland. International Art Fairs, Bolzano, Italy.
- http://joannazdzienicka.com bio-en/2012 FROM SEVEN TO TEN, Ateneum Gallery, Katowice. 2011 ARCHIVE, Extravagance Gallery, Art Center Sielecki Castle, Sosnowiec.
- glosbe.com en/en/Sielecki CastleThe oldest Sosnowiec monument is the Sielecki Castle, whose history dates back to the Middle Ages. Presently the castle houses the Sosnowiec Art Centre.
- skyscrapercity.com threads/sosnowiec-walk-around.…Very nice. Thank you. I've actually heard of Sosnowiec before. "Ten rząd wstrząsa podstawami naszej państwowości i funkcjonowania społeczeństwa.
- slideplayer.com slide/1523727/11 The Sielecki Castle is the oldest monument in Sosnowiec. His history dates back to the Middle Ages. The castle was burnt in 1824 and rebuilt in 1832.
- pl.pinterest.com pin/315322411388494075/*** zamek sielecki w sosnowcu ***. Dzieje, architektura I zwiedzanie zamku sieleckiego w sosnowcu.
- OpenTripMap.com en/card/W133002039All of the world’s sights on one map. Sielecki Castle is a castle in the city of Sosnowiec in southern Poland. It was built in the 17th century.
- mapsofworld.com poland/cities/sosnowiec.htmlChurchSt Tomasza. Huta Buczek. Sielecki Castle built in the seventeenth century. Schoene Palace and Museum. Railway Station Sosnowiec Maczki.
- carrentalkrakowairport.com sosnowiec.phpSosnowiec has a 17th century castle recognized as the Sielecki Castle. Other tourist attractions include- Dietla Palace, Huta Buczek, Wilhelma Palace...
- nightearth.com showitem.php…One of the most famous landmarks in the city is the Sielecki Castle, which dates back to the 19th century and is now home to a museum.