Published in 1927, 20 Studies for Viola is the most famous work by Maurice Vieux (1884–1951), a French violist. Composed for upper intermediate / advanced players, these twenty studies of two pages each will help to improve bowtechnique.

Most of the studies are dedicated to famous violists who won the First Prize of the Paris Conservatoire: Jean Gay, Etienne Ginot, André Jouvensal, Jacques Desestre, Denise Thoret, Pierre Pasquier, Robert Boulay,François Broos, Louis Artières, Mrs Crunelle-Mar...