Part of the Frick Collection Archives Repository
Knox, Katherine McCook [Library staff], 1923-1947, Box: 3, Folder: 18. Helen Clay Frick Records - Correspondence, FARL.0100.040. Frick Collection Archives.
Knox, Katherine McCook [Library staff], 1923-1947, Box: 3, Folder: 18. Helen Clay Frick Records - Correspondence, FARL.0100.040. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/5250 Accessed April 21, 2025.
