Hammond, Lily Hardy: In Black and White: An Interpretation of Southern Life. Fleming H. Revell Co., New York, 1914.
Harris, Norman Dwight: Intervention and Colonization in Africa. Houghton, Mifflin Co., Boston, 1914.
Hart, Albert Bushnell: National Ideals Historically Traced. Vol. 26 in American Nation Series.
Slavery and Abolition. Vol. 16 in American Nation Series.
The Southern South. D. Appleton & Co., New York, 1910.
Hartshorn, W.N., and Penniman, George W.: An Era of Progress and Promise, 1863-1910. The Priscilla Publishing Co., Boston, 1910.
Haworth, Paul Leland: America in Ferment. Bobbs-Merrill Co., Indianapolis, 1915.
Haynes, George E.: The Negro at Work in New York City Vol 49, No. 3, of Columbia Studies, 1912.
Helper, Hinton Rowan: The Impending Crisis of the South: How to Meet It. New York, 1857.
Hickok, Charles T.: The Negro in Ohio, 1802-1870. (Western Reserve thesis.) Cleveland, 1896.
Higginson, Thomas Wentworth: Army Life in a Black Regiment Boston, 1870. (Latest edition, Houghton, Mifflin Co., 1900.)
Hoffman, Frederick L.: Race Traits and Tendencies of the American Negro. American Economics Association Publications, XI, Nos. 1-3, 1896.
Hodge, Frederick W. (editor): Spanish Explorers in the Southern United States, 1528-1543 (in Original Narratives of Early American History), esp. The Narrative of Alvar Nunez Cabeca de Vaca. Charles Scribner’s Sons, New York, 1907.
Holland, Edwin C.: A Refutation of the Calumnies circulated against the Southern and Western States, respecting the institution and existence of slavery among them; to which is added a minute and particular account of the actual condition and state of their Negro Population, together with Historical Notices of all the Insurrections that have taken place since the settlement of the country. By a South Carolinian. Charleston, 1822.
Horsemanden, Daniel (Judge): A Journal of the Proceedings in the Detection of the Conspiracy Formed by Some White People, in conjunction with Negro and Other Slaves, for Burning the City of New York in America, and Murdering the Inhabitants. New York, 1744.
Hosmer, James K.: The History of the Louisiana Purchase. D. Appleton & Co., New York, 1902.
Hurd, John C.: The Law of Freedom and Bondage. 2 vols. Boston, 1858-1862.
Jay, William: Inquiry into the Character and Tendency of the American Colonization and Anti-Slavery Societies. New York, 1835.
Jefferson, Thomas: Writings, issued under the auspices of the Thomas Jefferson Memorial Association. 20 vols. Washington, 1903.
Jervey, Theodore D.: Robert Y. Hayne and His Times. The Macmillan Co., New York, 1909.
Johnson, Allen: Union and Democracy. Vol. 2 of Riverside History of the United States. Houghton, Mifflin Co., Boston, 1915.