Part of the Frick Collection Archives Repository
Greenhouse - Estimates, 1906, 1909, Box: 6, Folder: 6. Eagle Rock Papers, FFP.09. Frick Collection Archives.
Greenhouse - Estimates, 1906, 1909, Box: 6, Folder: 6. Eagle Rock Papers, FFP.09. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/13856 Accessed February 26, 2025.