Author
Association of American Railroads. Railroad Committee for the Study of Transportation
13
United States. Interstate Commerce Commission
7
Association of American Railroads. Car Service Division
4
Poor, Henry V. (Henry Varnum), 1812-1905
4
Association of American Railroads. Bureau of Railway Economics
3
Brotherhood of Railroad Trainmen
3
Bureau of Railway Economics (Washington, D.C.)
3
Virginia. Governor (1860-1864 : Letcher)
3
Adams, Charles Francis, 1835-1915
2
Adams, Henry, 1838-1918
2
Alexander Hamilton Institute (U.S.)
2
American Association of General Passenger and Ticket Agents
2
Beale, Joseph Henry, 1861-1943
2
Brotherhood of Maintenance of Way Employees
2
Gerstner, Franz Anton, Ritter von, 1793-1840
2
Hungerford, Edward, 1875-1948
2
Jas. H. Oliphant & Co
2
Johnson, Emory R. (Emory Richard), 1864-1950
2
Ketchum, Elvin Sydney, 1872-
2
Klein, L. (Ludwig)
2
McCabe, James Dabney, 1842-1883
2
Moody Manual Co
2
Northwest Railway Club
2
Poor, Henry Varnum, 1812-1905
2
Railway & Locomotive Historical Society
2
Sakolski, Aaron M. (Aaron Morton), 1880-1955
2
Sharfman, I. Leo (Isaiah Leo), 1886-1969
2
Switchmen's Union of North America
2
Tanner, Henry Schenck, 1786-1858
2
Thompson, Slason, 1849-1935
2
United States. National Mediation Board
2
United States. Surface Transportation Board
2
Vanderblue, Homer Bews, 1888-1952
2
Walker, Francis Amasa, 1840-1897
2
Wyman, Bruce, 1876-1926
2
Adams, Henry Carter, 1851-1921
1
American Association of Passenger Traffic Officers. Meeting
1
American Commerce Association
1
American Federation of Railroad Workers
1
American Hotel Association
1
American Hotel Association of the United States and Canada
1
American International Association of Railway Superintendents of Bridges and Buildings. Meeting
1
American Railway Bridge and Building Association. Convention
1
American Railway Master Mechanics' Association
1
Andrews, Israel De Wolf
1
Association of American Railroads
1
Association of American Railroads. Economics and Finance Department
1
Association of American Railroads. Economics and Finance Dept
1
Association of American Railroads. Transportation Division
1
Association of Railway Superintendents of Bridges and Buildings (U.S.). Convention
1
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