Quote from
Pioneer on November 8, 2020, 4:28 pm
I found Q. David Bower's book to be amazing and fascinating... something worth looking through w.r.t. SCDs and early history:
https://www.coinbooks.org/v22/esylum_v22n33a14.html
Book link:
https://nnp.wustl.edu/library/book/570232
I found Q. David Bower's book to be amazing and fascinating... something worth looking through w.r.t. SCDs and early history: