Regional Languages
Child Hierarchical Categories
Ancient Languages
Classical Languages
Constructed Languages
Creole Languages
Dead Languages
Endangered Languages
Foreign Languages
Indigenous Languages
Language Acquisition
Language Families
Language Interpretation
Language Learning
Language Scripts
Language Teaching
Language Translation
Minority Languages
Modern Languages
Native Languages
Official Languages
Pidgin Languages
Programming Languages
Regional Dialects
Second Languages
Sign Languages
Spoken Languages
Written Languages