Here's what Bob wrote about the Photo Parade pages which picture the English-language voice actors next to their individual character:
It's my favorite because you can see the faces of those that were the voices in the movie AND you can see some of the similarities between the actors and the movie characters... NOTE: be sure and check out the photos of Pinto Colvig (more widely known as the voice of Goofy).
Another set of pages feature illustrations that were to be used in the Harper & Brothers deluxe edition book, said to be released on December 1st of that year.
Page images via Cowan Collection: Animation and Comic Art