80 graded studies for oboe [Música impresa] / selected and edited by John Davies and Paul Harris. - London : Faber Music, 1990. - 2 v. ; 31 cm. ISBN: 0571511759 (book 1) 0571511767 (book 2) LCCN: 8075 Subjects--Topical Terms: Oboč---Estudis i exercicis.Oboč, Música per a---Partitures.