"The Future of Nursery School Education in California"-Ms. Helen Heffernan, an Address by Association for Nursery Education, S. Cal., October 1950, id21452, Box: 3, Folder: 3. Southern California Association for the Education of Young Children Collection, URB-SCAEYC. Special Collections & Archives. https://findingaids.csun.edu/repositories/2/archival_objects/41025 Accessed June 05, 2026.