Resources
https://www.nycballet.com/discover/our-history/george-balanchine/
https://www.bostonballet.org/Home/BehindTheScenes/boston-ballet-history-the-1950s.aspx
https://anhistorianabouttown.com/history-of-ballet-in-north-america/#:~:text=Touring%20Ballerinas%20and%20European%20Culture,to%201842%2C%20to%20great%20success.
