A Political Text-book for 1860: Comprising a Brief View of Presidential Nominations and Elections Including All the National Platforms Ever Yet Adopted; Also, a History of the Struggle Respecting Slavery in the Territories, and of the Action of Congress as to the Freedom of the Public Lands, with the Most Notable Speeches and Letters of Messrs. Lincoln, Douglas, Bell, Cass, Seward, Everett, Breckinridge, H. V. Johnson, Etc., Etc., Touching the Questions of