they really did leave out a lot of Barreto's best works, his Elseworlds stuff: Speeding Bullets, he did some others which escape my memory, and his Cobb series with Beau Smith.
I'd just this year read Joe Simons "The Comic Book Makers" filled with anecdotes about the various people in the business in the 40's and 50's and how they were often weirder than the books they put out.