Thomson, William, 1927-2019 Introduction to ear training [by] William E. Thomson [and] Richard P. DeLone. - Belmont, Calif., Wadsworth Pub. Co. [1967] - 358 p. illus. music. 28 cm. - Wadsworth music series . "Music for dictation": p. [223]-358. LCCN: 67025149 Subjects--Topical Terms: Ear training.Musical dictation. LC Class. No.: MT 35 / .T49