The revisionism started as early as 1930s, but Foner is among the worst.
Here is the best place to start (see James Ford Rhodes book at the link): http://www.alibris.com/search/books/isbn/0226710564
We have become so afraid of the issue of “race” that there is very little written recently that is honest. Rhodes was the definitive account until th eleft had the power to force it down the memory hole and replace it with a liberal/marxist “narrative”.
Aired one episode on NE Texas and left it at that.