You can edit physically one class and add it not as ordinal file to a project, but as reference to a file, in both projects. Unfortunatelly, you have to strip namespace declaration from this file otherwize that 2 proxies whouldn't work together either.
You can solve this by manually editing the . SvcMap file.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.