I found a site in the UK you can order small quantities from. The other sites I found were also quoting international prices and contact. Many from China, but require large orders (3ton, min).
More information about your project will help me narrow down a good supplier for you.
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.