Date Information
n.d.
Box
9
Folder
45
Series
Series II: Literary Productions, ca. 1919-1979; n.d.
Sub-series
Manuscripts, ca. 1921-ca.1966; n.d., Edwin Mortimer Standing
Recommended Citation
Standing, Edwin Mortimer, "Box 09, Folder 45 - "Some Psychological Principles which Underlie the Creation and Proper use of the Montessori 'Materials for Development II'" Ch 6(E.M.S.)" (2022). Manuscripts, ca. 1921-ca.1966; n.d., Edwin Mortimer Standing. 96.
https://scholarworks.seattleu.edu/standing-manuscripts/96
COinS