Gw mau tau Lihat pula dari Numerologi

Pochat Wilfrid & Pirmaïer Michel, (2011). The Unveiled Numerology – vol. 1 – You do not necessarily carry the name you think

Dudley, U. (1997). Numerology: Or, What Pythagoras Wrought. Mathematical Association of America. – a skeptical survey of the field through history

Drayer, R.A. (2002). Numerology, The Power in Numbers, A Right & Left Brain Approach. .

Book of the Masters of the Secret House