https://sbc.org.pl/en/dlibra/publication/112484/edition/105902/po-troszku-o-toszku-2012-nr-4-6
Po Troszku o Toszku, 2012, nr 4 (6) - Silesian Digital Library
The Digital library of the silesian region - the cultural heritage of Silesia's (historical and modern) diversity.
silesian digital librarypo troszku