(Warm-up Exercises for Tone and Technique for Advanced String Orchestra (Viola)). By Bob Phillips and Kirk Moss. Orchestra. For Viola. This edition: Viola. Book; Method/Instruction; SmartMusic; String Orchestra Method/Supplement. Sound Innovations Series

By William Starr. Edited by Judi Gowe. Summy-Birchard supplementary instruments (Viola). 84 pages. Published by Alfred Publishing.