box-11-folder-46-manuscript-fragments-n-d-materials-obviate-fatigue-the-montessori-method-29x364cy Post date July 23, 2022 Tags Edwin Mortimer Standing - Biographic sources, Edwin Mortimer Standing - Writings ← box-11-folder-47-manuscript-fragments-n-d-the-model-altar-and-its-appearances-lesson-with-a-model-altar-second-example-92w7k2dv → box-11-folder-45-manuscript-fragments-n-d-the-last-time-i-heard-dr-montessori-speak-elxypwew