Slave trade; Society of Friends; Slavery; Rum; Indians of North America; Burlington Monthly Meeting (Society of Friends : 1678-1827); Philadelphia Yearly Meeting of the Religious Society of Friends. Meeting for Sufferings.
Lay, Benjamin, 1677-1759; Sandiford, Ralph, 1693-1733; Antislavery movements; Quaker abolitionists; Philadelphia Yearly Meeting of the Religious Society of Friends