Allen, Chris. Progressive studies for clarinet. Book 1 [Música impresa] / Chris Allen. - London : Associated Board of the Royal Schools of Music, 1989. - 20 p. ; 31 cm. AB 2083 LCCN: 6058 Subjects--Topical Terms: Clarinet---Estudis i exercicis.Clarinet, Música per a---Partitures.