Kołocz, elwer and political Aspirations - the Variety of Traditions in the Upper Silesia Region as a Constructional Element of Current Collective Identities - Sekuła, Elżbieta Anna (. The @politics of culture. - Warszawa : Wydawn. Uniw. Warszawskiego, 2012. - 318 S.. - Ill., Kt.. - ISBN 978-83-235-0801-4, 2012)