PNP249350 Poster advertising a meeting to discuss the \'Dred Scott (1799-1858) Case\', 1857 (litho) by American School, (19th century); Private Collection; (add.info.: Dred the slave who unsucessfully tried to sue for his freedom; major factor leading to civil war; his case was based on the fact that he had been held as a slave in Illinois, where slavery was illegal, nullifying the Missouri Compromise; the opposition had argued that he was not entitled to human rights;); Peter Newark American Pictures; American, out of copyright.