| Negro Employment in Land and Air Transport: A Study of Racial Policies in the Railroad, Airline, Trucking, and Urban Transit Industries Northrup Herbert R. : Herbert R. Northrup was Professor of Industry and Director of the Industrial Research Unit, Wharton School of Finance and Commerce, University of Pennsylvania. Risher, Jr. Howard W. : Howard W. Risher, Jr., was Research Assistant at the Unit before entering industry. Leone Richard D. : Richard D. Leone was Assistant Professor of Management at the School of Business Administration, Temple University. Jeffress Philip W. : Philip W. Jeffress was Assistant Professor of Economics and Finance, Louisiana State University, New Orleans. |