Negro Employment in Land and Air Transport, A Study of Racial Policies in the Railroad, Airline, Trucking, and Urban Transit Industries, University of Pennsylvania Press, Inc., Herbert R. Northrup, Howard W. Risher Jr., Philip W. Jeffress, Richard D. Leone,Business studies: general,Business and Management, ,, Anniversary Collection, United States, en-UShttps://www.pennpress.org, [BLURB],[CITY],,books, ebooks, biblet, Book2look