I'm prejudiced of course, but I think you'd get much more out of mom's latest book. I'm only sorry she did not live to see it in print.
https://www.amazon.com/Separate-Identity-Organizational-1870-1887-Organization/dp/1678009245
https://www.lulu.com/shop/b-w-schulz/shop/b-w-schulz/separate-identity-organizational-identity-among-readers-of-zions-watch-tower-1870-1887-volume-2-culture-and-organization/paperback/product-1wky6pv7.html
And a lengthy review by a Swiss scholar:
https://truthhistory.blogspot.com/2020/04/latest-review-of-separate-identity-vol-2.html