box-6-folder-42-lecture-outlines-1962-ca-1963-sensorial-geometry-mzh3hw36 Post date July 22, 2022 Tags Edwin Mortimer Standing - Biographic sources, Edwin Mortimer Standing - Writings ← box-6-folder-43-lecture-outlines-1962-ca-1963-the-sensorial-materials-hl9wuwil → box-6-folder-41-lecture-outlines-1962-ca-1963-science-in-the-montessori-school-v2gtvv48