John Brown, Abolitionist: The Man Who Killed Slavery, Sparked the Civil War, and Seeded Civil Rights

Abe: Abraham Lincoln in His Times

Waking Giant: America in the Age of Jackson

Beneath the American Renaissance: The Subversive Imagination in the Age of Emerson and Melville

Beneath the American Renaissance: The Subversive Imagination in the Age of Emerson and Melville

Walt Whitman's America: A Cultural Biography

Walt Whitman

Walt Whitman