His letters from Europe, written to the Tribune, were published in a volume entitled "Glances at Europe." In 1856 he published his "History of the Struggle for Slavery Extension," and, three years later, " An Overland Journey from New York to San Francisco," a series of letters reprinted from the Tribune. Of Mr. Greeley's editorial work on the Tribune it may be said that it was one of the most powerful of literary agencies in forming the Republican Party and in paving the way for the downfall of slavery. The Tribune was interdicted in many Southern homes, on account of

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its nidical ami uiiooniproinisiiig utterances, and Horace Greeley drew upon himself tlie wrath of the entire slave-holding section. His style was rugged, trenchant and forcible; always breathing the spirit candor and sincerity. In 18(i4 and 1867 were j)ublished the two subscrii)tion volumes of Mr. (Jreeley's ''American CJontiict, or History of the War for the Union." The sale soon reached one hundred thousand copies, but was cheeked for some years after it had become known that Mr. Greeley had generously consented to athx his name to the bail-bond of Jefferson Davis.

In 18G7-6S Mr. Greeley contributed to theJVV"- York Lcdin'i- aseries of autobiographic reminiscences, which were afterwards republished in a volume entitled " Recollections of a busy life." In 1870 he reprinted from the Tribune a series of " Essays on Political Economy," defending the " protection theory," which were dedicated to the memory of Henry Clay. In 1872 he published " What I Know about Farming.'' He also originated and edited the Tribune Almanac, which for many years has been a standard hook of reference.