Thank you letters - Harvey article on Henry Clay Frick in North American Review, 1920

Thank you letters - Harvey article on Henry Clay Frick in North American Review, 1920, Box: 17, Folder: 3. Helen Clay Frick Papers, Series II: Correspondence, FFP.02.02. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/9662 Accessed March 15, 2025.