High Quality Content by WIKIPEDIA articles! The literature of Luxembourg is little known beyond the country`s borders, partly because Luxembourg authors write in one or more of the three official languages (French, German and Luxembourgish), partly because many works are specifically directed to a local readership. Furthermore, it was not until the 19th century that the literature of Luxembourg began to develop in parallel with growing awareness of the country`s national identity following the Treaty of Paris (1815) and the Treaty of London (1867).