By Doris Gazda. Edited by Albert Stoutamire. Orchestral Collection/Ensemble. Strings! Series. Level: Elementary. Music Book. Published by Neil A. Kjos Music Company.

(A Comprehensive String Method) Written by Brenda Mitchell, Joanne Erwin, Kathleen Horvath, Robert D McCashin. Instructional book and accompaniment CD for viola. Series: New Directions for Strings. 56 pages. Published by The FJH Music Company Inc.