Names
- Hollander, Jacob Harry, 1871-1940.1
- Holt, Henry, 1840-1926.1
- Holtzoff, Alexander, 1886- .1
- Holtzoff, Alexander, 1886-1969.1
- Hopkins, Albert J. (Albert Jarvis), 1846-1922.1
- Hopkins, Ernest Martin, 1877- .1
- Hopkins, Ernest Martin, 1877-1964.1
- Houston & Texas Central Railway Company.1
- Houston and Shreveport Railroad Company.1
- Houston, East and West Texas Railway.1
- Howe, A. A. DeWolfe.1
- Howe, A.A. DeWolfe.1
- Hoxie, Robert Franklin, 1868-1916.1
- Hull, Charles Henry, 1864-1
- Hunt, Jean Lee.1
- Hutchins, Harry B. (Harry Burns), 1847-1930.1
- Illinois Central Railroad Company.1
- Illinois Tunnel Company.1
- International & Great Northern Railroad.1
- Interstate Commerce Commission.1