Publications
Haarmann, Harald. 1991. Basic aspects of language in human relations: Toward a general theoretical framework. De Gruyter Mouton.
Haarmann, Harald. 1990. Language in its cultural embedding: Explorations in the relativity of signs and sign systems. De Gruyter Mouton.
Haarmann, Harald. 1989. Functional aspects of language varieties: A theoretical-methodological approach. In : 153–193.