I agree with you. This is a good start.
This form of martial arts can be translated in several ways. Some will call it "fist principles" or "the way of the fist", or even "law of the fist". The first character literally means fist. The second can mean law, method, way, principle or Buddhist teaching.
This is a very good link.
John Leoning was hooked up with, the way, hand of budda.
So if others are using his mon they must consider that. I