Language obsolescence.

Language death / by: (Language materials, printed)

Language in danger : = the loss of linguistic diversity and the threat to our future / by: (Language materials, printed)

The Language revolution / by: (Language materials, printed)

Ecological perspectives on language endangerment and loss by: (Electronic resources)

Language endangerment and language revitalization / by: (Language materials, printed)

Investigating obsolescence : = studies in language contraction and death / by: (Language materials, printed)

Exploring language change / by: (Language materials, printed)

Language death by: (Electronic resources)

Internet.

Applied Linguistics.

Language Education.

Language attrition.

Language obsolescence.

Language spread.

Language revival.

Language change.

Language and languages.

Language planning.

Endangered languages.

Sociolinguistics.

Langage et langues- Disparition.

Applied linguistics.

English language- 21st century.