Classificação da Biblioteca do Congresso dos EUA (LCC)E661.O14
Selected Works (822 no total)
- Ulysses S. Grant : Memoirs and Selected Letters : Personal Memoirs of U.S. Grant / Selected Letters, 1839-1865 por Ulysses S. Grant
- A Fierce Discontent: The Rise and Fall of the Progressive Movement in America, 1870-1920 por Michael McGerr