Subjects
- Fuel trade.1
- Furnaces.1
- Gold mining.1
- Groton Heights, Battle of, Conn., 1781.1
- Guilford Courthouse, Battle of, N.C., 1781.1
- Harbors.1
- Historians--United States--20th century.1
- History--Research.1
- Hobkirk's Hill, Battle of, S.C., 1781.1
- Hoisting machinery.1
- Homestead Strike, Homestead, Pa., 1892.1
- Horse railroads.1
- Ice.1
- Inclined railroads.1
- Indians of Central America.1
- Indians of North America--Government relations.1
- Indians of North America--Wars--1775-1783.1
- Indians of North America--Wars--1790-1794.1
- Indians of North America.1
- Indians, Treatment of--Latin America--Early works to 1800.1