Trotter, T. H. Yorke 1854-1934. Yorke Trotter principles of musicianship for teachers and students / T.H. Yorke Trotter and Stanley Chapple. - London : New York : Bosworth & Co., ltd.; Bosworth & Co., c1933. - xv, 80 p. L ill. (music) ; 23 cm. + pbk. LCCN: 34040482 Subjects--Topical Terms: Music--Instruction and study Dewey Class. No.: 780.72