Sources
- Cummings, David (ed.), "Costa, Mary, International Who's Who in Classical Music, Routledge, 2003, p. 158. ISBN 1-85743-174-X
- Hayes, John "2 with Futures to Follow: Mary Costa and Marilyn Horne", Billboard 16 May 1964 p. 38
- Hollis, Tim and Ehrbar, Greg, Mouse tracks: the story of Walt Disney Records, Univ. Press of Mississippi, 2006, p. 52. ISBN 1-57806-849-5
- Kennedy, Michael and Bourne, Joyce, "Costa, Mary", The Concise Oxford Dictionary of Music, Oxford University Press, 1996. (accessed via Encyclopedia.com. 26 January 2010)
- Metropolitan Opera, Performance Record: Costa, Mary (Soprano), on the MetOpera Database
- Sleeman, Elizabeth (ed.), "Costa, Mary" The International Who's Who of Women, Routledge, 2001, p. 116. ISBN 1-85743-122-7
- The Walt Disney Company, Disney Legends: Mary Costa (accessed 26 January 2010)
Read more about this topic: Mary Costa
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