Classical Ballet Technique by Warren, Gretchen W. 9780813009452 | eBay
The Cecchetti Method of Classical Ballet: Theory and Technique - Kindle edition by Beaumont, Cyril W., Idzikowski, Stanislas. Arts & Photography Kindle eBooks @ Amazon.com.
Classical Ballet Technique by Warren, Gretchen W. 9780813008950 | eBay