Part of the Frick Collection Archives Repository
Reginald Kell and Mieczyslaw Horszowski, March 4, 1951, 1950-1951, Box: 7, Folder: 13. The Frick Collection Concert Records, TFC.0600.010. Frick Collection Archives.
Reginald Kell and Mieczyslaw Horszowski, March 4, 1951, 1950-1951, Box: 7, Folder: 13. The Frick Collection Concert Records, TFC.0600.010. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/21910 Accessed February 04, 2026.
