Music by Three: Michael Webster, Nobuko Imai, and Ursula Oppens, January 5, 1975, 1974-1975

Music by Three: Michael Webster, Nobuko Imai, and Ursula Oppens, January 5, 1975, 1974-1975, Box: 21, Folder: 22. The Frick Collection Concert Records, TFC.0600.010. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/22337 Accessed June 07, 2025.