Part of the Frick Collection Archives Repository
Koeckert Quartet, January 21, 1968, 1967-1968, Box: 16, Folder: 8. The Frick Collection Concert Records, TFC.0600.010. Frick Collection Archives.
Koeckert Quartet, January 21, 1968, 1967-1968, Box: 16, Folder: 8. The Frick Collection Concert Records, TFC.0600.010. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/22209 Accessed June 06, 2025.
