My name is Luiza, I am ceramic conservator for 20 years trained in Canada now living in Brazil. I was in the same situation early these years. There are many info out these about such subject. I have to delivery such service for the Supreme Court. I wouI did many, many researched.
As Victoria mentioned above. Getty has the most up to date and completed researcher.
If you email me I can send you a copy. firstname.lastname@example.org