Cite

Music/Variations on a Theme by Hindemith: score

MLA

Koch, Frederick R. (Frederick Robinson). Music/Variations on a Theme by Hindemith: score. Box 308, folder 1650. 1963 Feb 6. https://collections.library.yale.edu/catalog/2077266.

APA, 6th edition

Koch, Frederick R. (Frederick Robinson). (["Box 308, folder 1650"])(1963 Feb 6)[Music/Variations on a Theme by Hindemith: score]. https://collections.library.yale.edu/catalog/2077266.