Part of the Frick Collection Archives Repository
Houdon - Notes, undated, Box: 10, Folder: 9. Helen Clay Frick Papers, Series V: Art Files, FFP.02.05. Frick Collection Archives.
Houdon - Notes, undated, Box: 10, Folder: 9. Helen Clay Frick Papers, Series V: Art Files, FFP.02.05. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/11167 Accessed February 26, 2025.
