Clark, Frances. Keyboard musician : for the adult beginner / [Música impresa] Frances Clark, Louise Goss, Roger Grove. - Maimi : Summy-Birchard Music, c1980. - 207 p. ; 30 cm. - Frances Clark library for piano students . ISBN: 0-87487-103-4 LCCN: 6347 Subjects--Topical Terms: Piano---Mètodes.