One of the many things I love about Anthony Louis’ Beyond the Basics is his overview of the historic evolution of so many of the facets of tarot. This really helps modern card interpretations make more sense.
For example, in his chapter Number Symbolism and the Tarot, his explanation of how the Golden Dawn numerology is based on the Sephirot made more than any I’d ever read. Usually books just give the Sephirot meanings without making it clear how these associations developed to a numerological symbolic system. Tony provides the list that we are probably all familiar with:
1. Kether: Supreme crown
2. Chokhmah: Wisdom
Etc.
But then he explains that the Golden Dawn