All the King's Men
https://archive.nytimes.com/www.nytimes.com/books/97/03/09/reviews/warren-booksoftimes.html?mcubz=3
A New York Times review of the novel when it was first released in 1946.
21 Unreliable Narrators that May or May Not Be Lying to You
An overview of other novels with unreliable, secondary-character narrators.
Huey Long
A site created by historians who support and believe passionately in the legacy of Huey Long, the real-life figure whom Willie Stark represents.