LINCOLN, Abraham (1809-1865) The Republican Party Vindicated - the Demands of the South Explained. Speech of Hon. Abraham Lincoln, of Illinois, at the Cooper Institute, New York City, February 27, 1860. N.p.: n.p., n.d.8vo (235 x 150 mm). 8pp., single folded sheet. (Some browning, light chipping and a few tears to edges.) An early printing of Lincoln's famous Cooper Union speech in which he demolishes Stephen Douglas' claim that the Framers and Constitution granted no authority at the Federal level to restrict slavery's expansion into the western territories. RARE on the market at auction. Monaghan 55.