NEW YORK TRIBUNE, June 23, 1856  This issue has several reports on the reaction to John C. Fremont as the Republican candidate for President, the result of the very first Republication Convention just several days prior.
There is also content on Bleeding Kansas with: "Kansas - A New Invasion" and other bits.
Bleeding Kansas describes the period of repeated outbreaks of violent guerrilla warfare between pro-slavery and anti-slavery forces following the creation of the new territory of Kansas in 1854. In all, some 56 people were killed between 1855 and 1859. 
Complete in 8 pages, very nice condition.