Linked from
The 53 pages that link to Diglossia, each with the reason it gives.
Language shiftRelated: Unequal use across formal and familiar settings can precede a broader shift.
Old FrenchRelated: Latin and vernacular speech occupied different roles in much medieval writing.
Wu ChineseRelated: Wu speakers often navigate local speech alongside standardized Mandarin.
CorsicanRelated: Corsican and French often occupy unequal roles in public and private life.
LimburgishRelated: Speakers may use Limburgish locally and a national standard in formal settings.