1. A search for truth, or an inquiry for the origin of the African nation : an address, delivered at Creator: Oson, Jacob, 1765 or 1766-1828 Published / Created: 1817. Call Number: Slavery Pamphlets 61 Image Count: 8 Resource Type: text Found in: Beinecke Rare Book and Manuscript Library > A search for truth, or an inquiry for the origin of the African nation : an address, delivered at New-Haven in March, and at New-York in April, 1817