I stumbled across this guy's blog which goes back ten years. I've also listened to a couple of podcasts he was on. I like the way he thinks. The blog is just a big collection of short thoughts. Don't go there expecting a nicely organized book. But there is a lot of good stuff.

It's an old fashioned blogspot.com blog, which means the posts are organized latest first. Every page has a right hand column that lists the years. You can open up each year and then each month, and read your way up the list.
https://bargolfinstruction.blogspot.com/

He has been using Putt Lab for years, on thousands of putting strokes. He has definite ideas of what causes what, etc. I have tried to apply his basic system, and it's been real good. Here's how I boil it down.

Find the distance from the ball that lets you see the line correctly. If you don't do that, there will be internal interference between what you see and where you want to roll the ball.
post: https://bargolfinstruction.blogspot.com/2018/04/vision-and-putting-finding-your-best.html
Get into a truly balanced posture. He thinks taller is better than bent way over.
https://bargolfinstruction.blogspot.com/2018/06/balance-and-yips.html
The results from 1 and 2 will set the putter length and lie that you need.
The results from 1,2, & 3 will determine how much arc you are going to have. Match the putter's rotational tendencies to that.
https://bargolfinstruction.blogspot.com/2018/03/finding-correct-toe-hang_25.html
https://bargolfinstruction.blogspot.com/2018/03/nine-putting-profiles-which-one-fits-you.html
Those are 10 inch back swings, I think. Notice the hosel location and offset in the illustrations. He never really says it, but those are the types of putters that he thinks match up to the strokes.

Most of this is in the posts from 2018 and 2019.

He also gets into weight a lot. The simple version is that to make a balanced stroke, you need a weight that lets you start it back smoothly, and then a smooth transition, then forward smoothly. He's not a fan of real heavy putters.
I like the last paragraph here:
https://bargolfinstruction.blogspot.com/2020/04/putter-weight-influence-part-3.html

This winter I decided to try to finally learn how to putt. I did a lot of viewing and reading, trying to find a systematic way to do it instead of band aids and tips. One of my biggest complaints was, why can't I find a stroke that feels natural? I was not getting anywhere until I found this guy, just recently. Now I'm standing the right distance from the ball to see things correctly, and I have a comfortable posture. I matched a putter to that, and played with the weight a little to get it to swing smoothly. All of a sudden, putting feels okay and I'm making good strokes.