Prof Spira – författare

Prof. Arnold Ehret's Mucusless Diet Healing System

Annotated, Revised, and Edited by Prof. Spira

Spira Speaks: Dialogs and Essays on the Mucusless Diet Healing System Volume 1, 2, & 3

Prof. Arnold Ehret's Rational Fasting for Physical, Mental and Spiritual Rejuvenation: Introduced and Edited by Prof. Spira

Prof. Arnold Ehret's Thus Speaketh the Stomach and the Tragedy of Nutrition: Introduced and Edited by Prof. Spira

Sistema Curativo Por Dieta Amucosa del Prof. Arnold Ehret: Anotado Revisado Y Editado Por El Prof. Spira

Prof. Arnold Ehret's Physical Fitness Thru a Superior Diet, Fasting, and Dietetics Also a Religious Concept of Physical, Spiritual, and Mental Dieteti