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
Archivio Salesiano Centrale: https://db.archiviosalesiano.net/s/asc/page/welcome
Bolettino salesiano online: https://donbosco.press/
Risorse salesiane su: https://www.donboscosanto.eu/
Agenzia Info Salesiana: https://www.infoans.org/