- tropter.com en/poland/szczecin/jan-czekanowski-…
- youtube.com watch
- musement.com uk/szczecin/monument-visits-c/
- prabook.com web/kornel.ujejski/2140932
- web.archive.org web/20081016092535/http://monika.…
- imslp.org wiki/Category:Ujejski,_Kornel
- tripadvisor.com.au Attractions-g274736-Activities…
- placenote.info de/Kornel-Ujejski