Hi John,

I hope this finds you well.

I think that you and your readers will be interested in this free online reference booklet:

Number Symbolism - by the late Mikkel Dahl.

It may be seen (and, if desired, downloaded for free) at 

https://archive.org/details/md-number-symbolism/page/18/mode/2up

Thanks for your ministry. 

--Peter Van Breemen

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Thanks, Peter.
John