[en] Napier's Bones ChiZine Publications
[en] Numerology in Action in Our World - Book 1 Auk Authors
[en] Proof and the Art of Mathematics, Examples and Extensions MIT Press
[en] Base-12 Numerology Llewellyn Publications
[en] Napier's Bones ChiZine Publications
[en] Numerology in Action in Our World - Book 1 Auk Authors
[en] Proof and the Art of Mathematics, Examples and Extensions MIT Press
[en] Base-12 Numerology Llewellyn Publications