Yes, there is a great need for it. Unfortunately, none has been compiled yet that I'm aware of.

There are errors in both of these links:

https://store.bluebookinc.com/Info/PDF/Firearm/Proofmarks.pdf

http://www.shotguns.se/html/proofmarks.html

Worse, such references only address each mark separately, which is counterproductive. These marks are used together as a SYSTEM, and must be viewed as such to be understood. Pity CIP hasn't published such a work.