1. "LBJ: Architect of American ambition" by Randall Bennett Woods

2. "Before the Fall: An Inside View of the Pre-Watergate White House" by William Safire

3. "All the President's Children" by Doug Wead

4. "Honor and Loyalty: Inside the Politics of the George H.W. Bush White House" by Leslie Dale Feldman

5. Time Magazine

6. "Dead Certain: The Presidency of George W Bush" by Robert Draper