WPF has Pack URIs pointing to resources in other assemblies for theming and skinning purposes.

Unlike classes and other metadata I can't for the life of me find a way to discover these URIs myself, apparently I just have to trust that external documentation is up to date.

Extracting resources themselves is possible, but it's clunky and not at all what I want - I want to find proper resource component paths and then manually add them to my application merged resource dictionary.