Lletres Asturianes is the Bulletin of the Academy of the Asturian Language. The magazine, which publishes two issues a year, began printing in 1982. Within each issue are the sections that follow:
1. Start or editorial (non-fixed section), which inserts the positioning of the Academy with regard to matters that are deemed of special interest for the future of the Asturian language.
2. Original research papers.
3. Book reviews.
4. Notes and announcements, with important information and news concerning the language and the work of the institution as well as a specific section on "Asturian Library".
5. Rules for submission of papers.
Lletres Asturianes is published, as well as in conventional format, in a digital version of open access from the number 105 (2011).
Scientific input received by the magazine are to be judged necessarily by external reviewers outside of the Editorial Board.
Lletres Asturianes publish original research papers which have as their object of study the Asturian language and literature, understood in a broad sense and in relation to the romanesque scope. Similarly, it also shows anthropological, pedagogical and socio-educational works, all focused on improving the knowledge, problems and the normalization of the Asturian language. The contents of the articles are the direct responsibility of their authors. The Academy is not obliged to return the originals that are not published.