Salesian Digital Library in different languages:
Italiano: http://sdl.sdb.org/greenstone3/library?l=it
English: http://sdl.sdb.org/greenstone3/library?l=en
Español: http://sdl.sdb.org/greenstone3/library?l=es
Français: http://sdl.sdb.org/greenstone3/library?l=fr
Português: http://sdl.sdb.org/greenstone3/library?l=pt
Polski: http://sdl.sdb.org/greenstone3/library?l=pl
San Giovanni Bosco: https://sangiovannibosco.net/
Bolettino salesiano online: https://donbosco.press/