The Institute for Language and Folklore (Swedish: Institutet för språk och folkminnen, acronym Isof), is a Swedish government agency with the purpose of studying and collecting materials concerning dialects, folklore and onomastics. In June 2006 the Swedish government decided to centralize the Swedish language preservation institutes, starting on the July 1, 2006. The former name, Swedish Institute for Dialectology, Onomastics and Folklore Research (Swedish: Språk- och folkminnesinstituet) was changed to the current name.
https://en.wikipedia.org/wiki/Swedish_Institute_for_Language_and_Folklore