Freedom Papers: An Atlantic Odyssey in the Age of Emancipation (Harvard University Press, 2012)
Co-authored with Jean M Hébrard
Degrees of Freedom: Louisiana and Cuba after Slavery (Harvard University Press, 2005).
Awards: The Frederick Douglass Prize, the John Hope Franklin Prize.
Slave emancipation in Cuba: the transition to free labor, 1860-1899 (University of Pittsburgh Press, c1985, )