/ / 385.124M624 / / / / 10002133
Katz, Daniel, 1903-
by Daniel Katz [and others]
Ann Arbor, Survey Research Center, Institute for Social Research, University of Michigan
[1951]
61 p. ill.
Labor productivity – United States.
Railroads. United States. Employees.
University of Michigan.Survey Research Center.Survey Research Center series ;publication no. 5.
TAB 151