- The master key system in twenty-four parts with questionnaire and glossaryCharles F. Haanel, Ruth L. Miller et al.
- Mental ChemistryCharles F. Haanel
- El Sistema de LA LLAVE MAESTRACharles F. Haanel
- Sistema de la llave maestra, ElCharles F. Haanel
- The Amazing Secrets of the YogiCharles F. Haanel
- The Secret To Getting Rich Triology The Ultimate Law Of Attraction ClassicsCharles F. Haanel
- La Cause et L'effetCharles F. Haanel
- Master Key ArcanaCharles F. Haanel
- Shi jie shang zui shen qi de 24 tang keCharles F. Haanel
- The Master KeyCharles F. Haanel
- The New PsychologyCharles F. Haanel
- La llave maestraCharles F. Haanel, Veronica D'ornellas Radziwill
- A Book About YouCharles F. Haanel
- La Llave MaestraCharles F. Haanel
