I got a note today asking about the contents of the Performance Measurement Baseline.
Here's a good starting point
https://acc.dau.mil/CommunityBrowser.aspx?id=243202
If the site asks for a certificate validation, do so. It's a US DoD system. This has pretty much everything there is around Earned Value and related topics. If it's not here directly there are links off site to the what you'll need.