Railroads History 65 Finance 30 Transportation 23 Freight 21 Employees 18 Rates 17 more ... Railroads and state 15 Labor unions 10 Canals 9 Mergers 9 African Americans 7 Management 7 Design and construction 6 Employment 6 Locomotives 6 Commerce 5 Description and travel 5 Sources 5 Businessmen 4 Location 4 Rolling stock 4 Strikes and lockouts 4 Surveying 4 Cars 3 Coal 3 Corporate reorganizations 3 Discrimination in employment 3 Early works to 1850 3 Economic conditions 3 Exhibitions 3 Histoire 3 Social aspects 3 Accidents 2 Archives 2 Aspect social 2 Burlington strike, 1888 2 Capitalists and financiers 2 Catalogs 2 Circus 2 less ...