The Seven Creative Principles: Being a Series of Seven Lectures Delivered Before the Society for Esoteric Culture, of Boston, With Introductory Lecture on the Idea of God, and Concluding Lecture on the Esoteric Significance of Color

The Seven Creative Principles: Being a Series of Seven Lectures Delivered Before the Society for Esoteric Culture, of Boston, With Introductory Lecture on the Idea of God, and Concluding Lecture on the Esoteric Significance of Color