I would assume so, I can't imagine them cheaping out on that but you can check, sometimes things that are made of leather will have "100% leather" or something like that stamped on it or it could have a tag or something that tells you if it's man made but you should be able to tell by smelling it more.
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.