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.

Sources:

https://www.atlantaballet.com/resources/brief-history-of-ballet

https://anhistorianabouttown.com/history-of-ballet-in-north-america/

Dance hyperdoc

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