- A. H. and William Gibboney Letter, 18821
- Alabama Great Southern Railroad Company Agreements, 1887/18901
- American Locomotive Company/Baldwin Locomotive Works Illustrations, 1900/19251
- Appomattox Iron Works and Supply Company Records, 1925/19391
- Arthur W. Grove Family Papers, 1900/19571
- Baltimore and Ohio Railroad Centenary Medal, 19271
- C and O for Progress (map), 1947/19721
- Chapman J. French Diaries, 1906/19441
- Chapman J. French Papers, 1903/19571
- Cincinnati & Eastern Railroad Company Records, 1876/18771
- Clarence Trent Papers, 1958/19911
- Farrier Family Papers, 1894/19721
- Floyd H. Fish Railroad Collection, 1927/19871
- Frank Smith Research Paper, 19891
- Gabriel C. Wharton Papers, 1877/18931