From the History and Contents of the First Section of the Esoteric School: Letters, Documents, and Lectures: 1904–1914 (CW 264) (The Collected Works of Rudolf Steiner, 264)

Primarily in the form of letters are the specific exercises and advice that Steiner gave to pupils who wished to further their spiritual capacities. Also included are his early lectures and teachings concerning the "Masters" and their relationship to human evolution.

From the History and Contents of the First Section of the Esoteric School 1904-1914 includes introductory and concluding remarks by the book's original editor, Hella Wiesberger.