New York City Ballet production of "Liebeslieder Walzer" with Melissa Hayden and Jonathan Watts center, choreography by George Balanchine (New York)

Billy Rose Theatre Division, The New York Public Library. "New York City Ballet production of "Liebeslieder Walzer" with Melissa Hayden and Jonathan Watts center, choreography by George Balanchine (New York)" The New York Public Library Digital Collections. 1960. https://digitalcollections.nypl.org/items/186af470-1eef-0136-ffd2-5b4d366c98bd

Billy Rose Theatre Division, The New York Public Library. (1960). New York City Ballet production of "Liebeslieder Walzer" with Melissa Hayden and Jonathan Watts center, choreography by George Balanchine (New York) Retrieved from https://digitalcollections.nypl.org/items/186af470-1eef-0136-ffd2-5b4d366c98bd

Billy Rose Theatre Division, The New York Public Library. "New York City Ballet production of "Liebeslieder Walzer" with Melissa Hayden and Jonathan Watts center, choreography by George Balanchine (New York)" New York Public Library Digital Collections. Accessed November 7, 2025. https://digitalcollections.nypl.org/items/186af470-1eef-0136-ffd2-5b4d366c98bd

<ref name=NYPL>{{cite web | url=https://digitalcollections.nypl.org/items/186af470-1eef-0136-ffd2-5b4d366c98bd | title= (still image; still image) New York City Ballet production of "Liebeslieder Walzer" with Melissa Hayden and Jonathan Watts center, choreography by George Balanchine (New York) (1960) | author=Digital Collections, The New York Public Library | accessdate=November 7, 2025 | publisher=The New York Public Library, Astor, Lenox, and Tilden Foundations}}</ref>