Cohen, Eta. Eta Cohen's violin method. : piano accompaniment book with violin duet part / Book 3 [Música impresa] new violin duet parts and piano accompaniments by Richard Drakeford. - London : Novello, c1989. - 116 p. ; 30 cm. Novello NOV916173 LCCN: 6333 Subjects--Topical Terms: Violí---Mètodes.