Rys. Bretislav Kovarik
https://www.irancartoon.com/site/artists/zygmunt-zaradkiewicz
http://www.cartoongallery.eu/englishversion/gallery/poland/zygmunt-zaradkiewicz/
https://www.ecc-kruishoutem.be/en/exhibitions/zygmunt-zaradkiewicz-poland.html
https://pl.wikipedia.org/wiki/Zygmunt_Zaradkiewicz
http://sanalmuze.aydindoganvakfi.org.tr/karikaturistler/zygmunt-zaradkiewicz-8492
https://curiator.com/art/zygmunt-zaradkiewicz
https://www.crossconnectmag.com/post/141916581076
http://cartoonia.ru/entsiklopediya-karikatury/z/zaradkevich-zigmunt-zaradkiewicz-zygmunt/
http://archiwum.radiogorzow.pl/bez-kategorii/grafiki-zaradkiewicza-w-norwidzie/
https://www.liveinternet.ru/users/pmos_nmos/post430042166/
http://cwn-news.com/galleries/zygmunt-zaradkiewicz-poland