New York City Ballet production of "Serenade" with Karin von Aroldingen and Adam Luders, choreography by George Balanchine (New York)

Billy Rose Theatre Division, The New York Public Library. "New York City Ballet production of "Serenade" with Karin von Aroldingen and Adam Luders, choreography by George Balanchine (New York)" The New York Public Library Digital Collections. https://digitalcollections.nypl.org/items/1344f8f0-01bf-0135-0c6f-0a5446792b3d

Billy Rose Theatre Division, The New York Public Library. New York City Ballet production of "Serenade" with Karin von Aroldingen and Adam Luders, choreography by George Balanchine (New York) Retrieved from https://digitalcollections.nypl.org/items/1344f8f0-01bf-0135-0c6f-0a5446792b3d

Billy Rose Theatre Division, The New York Public Library. "New York City Ballet production of "Serenade" with Karin von Aroldingen and Adam Luders, choreography by George Balanchine (New York)" New York Public Library Digital Collections. Accessed November 14, 2025. https://digitalcollections.nypl.org/items/1344f8f0-01bf-0135-0c6f-0a5446792b3d

<ref name=NYPL>{{cite web | url=https://digitalcollections.nypl.org/items/1344f8f0-01bf-0135-0c6f-0a5446792b3d | title= (still image; still image) New York City Ballet production of "Serenade" with Karin von Aroldingen and Adam Luders, choreography by George Balanchine (New York) | author=Digital Collections, The New York Public Library | accessdate=November 14, 2025 | publisher=The New York Public Library, Astor, Lenox, and Tilden Foundations}}</ref>