Not to burst your bubble, but many “higher end” faucets start with a Price-Pfister, Central, Gerber, etc. body and add their own trim pieces. The others have their own proprietary valves, (usually purchased from a second party), and can change suppliers at any time rendering previous parts and manuals out of date.
Wew have parts breakdowns for many high end faucets, Hansa-Broadway-KWC and others. We are always adding more breakdowns and if you can not find what you are looking for let us know and we will do our best to find what you need.