Part of the Frick Collection Archives Repository
Swiss school - drawing, Box: 9, Folder: 19. Schaeffer Galleries Records, MS.016. Frick Collection Archives.
Swiss school - drawing, Box: 9, Folder: 19. Schaeffer Galleries Records, MS.016. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/18496 Accessed February 26, 2025.
