The Lexikon des Mittelalters ("Lexicon of the Middle Ages", LMA, LexMA) is a German encyclopedia on the history and culture of the Middle Ages. Written by authors from all over the world, it comprises more than 36,000 articles in 9 volumes. Historically the works range from the Late Antiquity to about 1500, covering the Byzantine Empire and the Arab world . The first six volumes were published by Artemis (later Artemis & Winkler), Munich and Zürich; volumes seven through nine by , Munich. In 2000, an electronic (standalone) edition of the Lexikon was published on CD-ROM by Brepols.