upper

Sources

• NASH 1968 258-259 (upper bound, upper class, upper jaw, upper register)

  NASH, Rose. (1968) Multilingual Lexicon of Linguistics and Philology: English, Russian, German, French. Coral Gables, FL: University of Miami Press. 

• HAMP 1963 33 (upper language)

  HAMP, Eric P. (1963) A Glossary of American Technical Linguistic Usage 1925-1950. Utrecht: Spectrum Publishers.