These are some great questions... and important ones too as I think
it's a great idea to have a sense of the history of the trains we run.
I did a few Google searches for you... came up with bits and pieces
but nothing too cohesive. I did find the Boston and Maine historical
They might be helpful in pointing you in the right direction. I'm also
going to drop MTL an quick note asking if they'd have the information
you're looking for.