Whiteside, Abby. Mastering the Chopin Etudes and other essays. Edited by Joseph Prostakoff and Sophia Rosoff. - New York, C. Scribner's Sons [1969] - v, 200 p. music. 22 cm. Source: 5.95 LCCN: 79085263 /MN/r903 Subjects--Personal Names: Chopin, Fr�ed�eric, 1810-1849. piano. Etudes, Subjects--Topical Terms: Music.Piano--Instruction and study. LC Class. No.: ML 60.W4697 / M4