Robuta

https://zkm.de/de/werk/rom-foro-italico-opera-nazionale-balilla-enrico-del-del-debbio-1928-36-17

https://rmsothebys.com/auctions/mo11/lots/r261-1934-fiat-508a-balilla-pick-up/

https://zkm.de/de/werk/rom-foro-italico-opera-nazionale-balilla-enrico-del-del-debbio-1928-36-3

https://zkm.de/en/artworks/rom-foro-italico-opera-nazionale-balilla-enrico-del-del-debbio-1928-36-63

https://www.balillacrm.com/

https://en.wikipedia.org/wiki/Opera_Nazionale_Balilla

https://www.corrieredellosport.it/video/calcio/serie-a/napoli/2022/07/16-94728907/zielinski_e_politano_sfida_a_calcio_balilla