Part of the Frick Collection Archives Repository
Notebooks - Physiology and Zoology, 1902, Box: 3, Folder: 13. Helen Clay Frick Papers, Series I: Youth and Education, FFP.02.01. Frick Collection Archives.
Notebooks - Physiology and Zoology, 1902, Box: 3, Folder: 13. Helen Clay Frick Papers, Series I: Youth and Education, FFP.02.01. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/9499 Accessed April 20, 2025.
