Henry Harbaugh, an American clergyman, born near Waynesborough, Pa., Oct. 28, 1817, died at Mercersburg, Pa., Dec. 28, 1867. In his youth he worked successively as a farmer, carpenter, miller, and teacher. In 1840 he entered Marshall college, Mercersburg, afterward studied theology, and in 1843 became pastor of a German Reformed church in Lewisburg, in 1850 in Lancaster, and in 1860 in Lebanon, Pa. In 1864 he was appointed professor of theology in the theological seminary of Mercersburg. He was known as an exponent of the so-called Mercersburg school of theology. In 1850 he originated the "Guardian," a monthly magazine, which he continued to edit till the end of 1866, when he became editor of the "Mercersburg Review" His principal works are: "Heaven, or an Earnest and Scriptural Inquiry into the Abode of the Sainted Dead " (1848); "The Heavenly Recognition" (1851); "The Heavenly Home" (1853); "The Birds of the Bible" (1854); "The Fathers of the German Reformed Church" (3 vols., 1857-'8); "The True Glory of Woman" (1858); " Plea for the Lord's Portion of a Christian's Wealth" (1858); "Poems" (1860); "Christo-logical Theology" (1864); Das alt Schulhaus, a poem in the dialect of the Pennsylvania Germans; and Harfe, Gedichte in Pennsylvanisch-Deutscher Mundart (1870). Nearly all his works have passed through many editions.