Kehrt zur Natur zurück! Die wahre naturgemäße Heil- und Lebensweise. Wasser, Licht, Luft, Erde, Früchte und wirkliches Christentum.

Translated into English from the 4th enlarged German edition and published by the translator, Benedict Lust as: Return to nature! The true natural method of healing and living and the true salvation of the soul. (New York, 1903). Full text from soilandhealth.org at this link.