Slavery and the church -- Society of Friends; Slavery -- Law and legislation; Fugitive slaves; White, George F., 1789-1847; Darg, John P.; Hughes, Thomas, b. 1816?;
Philadelphia Free Produce Association of Friends; Burritt, Elihu, 1810-1879; Taylor, George W., 1803-1891; Antislavery movements -- United States; Antislavery movements -- Great Britain