Notes on Charles Sumner's Lecture on White Slavery in the Barbary States, 1847, is a bound journal kept by a member of the Allston family in which they summarize the lecture given by Charles Sumner at the Boston Mercantile Library Association. The lecture discusses the Missouri Compromise, the "peculiar institution of the south," the history of slavery by the nations of antiquity, the importation of enslaved people into the English world, a timeline of slavery in the United States and Sumner's opinions of slavery as being cruel and sinful.