PAMPHLET: An ExplanationPrice: $1.00 up to 40 plus shipping
More then 40 copies $.75 plus shipping

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From An Explanation:
With the encouragement and assistance of his students, Dr. Sutherland created the Sutherland Cranial Teaching Foundation, a non-profit organization for the purpose of preserving and teaching his Cranial Concept to physicians and continuing research into the primary respiratory mechanism and its clinical applications.