I have a really great book that I bought this past summer while visiting Orangedale Station near Wycocomagh, Cape Breton, Nova Scotia: A Photo History of the Prince Edward Island Railway by Allan Graham.
This is one of my favorite railway books I've collected thus far. I guess there's just something about that rural railway in PEI that appeals to me. (And I've just noticed, on looking at the first page inside the cover that not only is it signed by the author, which I knew, but it was also sponsored by the CN Lines SIG, which I did NOT know! :-)
Look here for a railway structure listing from the Railroad Station Historical Society:
Extant Prince Edward Island Railroad/Railway Structures