Joe Burns, in association with the San Louis Obispo Railroad Museum, has produced a wonderful poster illustrating all the Disneyland trains. It's a two-sided poster, and is very well laid out and professionally produced. The website for the Disneyland Railroads poster is here:
I like the Ward Kimball drawing.
The website also hints at an upcoming book on an upcoming Rainbow Caverns/Mine Train Thru Nature's Wonderland/Big Thunder Mtn. Railroad book.