The corpus consists of the correspondence of Elias Lönnrot with private individuals as well as institutions from 1823 until Lönnrot's death. Elias Lönnrot was the creator of the Kalevala, medical doctor and professor of language (1802 – 1884). The letters and drafts of letters belong to the Archive of the Finnish Literature Society and have been transliterated for the project Elias Lönnrot’s Letters Online, http://lonnrot.finlit.fi/omeka/ . The whole corpus contains 4 511 letters and drafts, of which 3354 are mostly written in Swedish and 1157 mostly in Finnish. The largest sub collection consists of over 250 letters sent to one individual recipient.
The corpus will be published as two sub corpora, one for the letters mostly written in Finnish and one for the letters mostly written in Swedish, at https://korp.csc.fi