Author
Baltimore and Ohio Railroad Company
2
Hough, Oliver, 1868-
2
Matzke, Eric
2
Alberdi, Juan Bautista, 1810-1884
1
Applegate, Howard L.
1
Association of American Railroads
1
Association of American Railroads. Bureau of Railway Economics
1
Baldwin-Lima-Hamilton Corporation
1
Cox, Harold E. Dr
1
Cushing, Caleb, 1800-1879
1
Flagg, Stanley G., & co., inc
1
Johnston, Richard Holland, 1868-
1
Koppel Industrial Car and Equipment Co
1
Koppel Industrial Car and Equipment Company
1
Loving, Rush
1
Pennsylvania Steel Company (Philadelphia)
1
Philadelphia Rapid Transit Company
1
Philadelphia Transportation Company
1
Squair, Lyall D.
1
Standard Supply & Equipment Co. (Philadelphia)
1
Syracuse University. Library. Manuscript Collections
1
Taber, Thomas T., III
1