Union recognition in the federal government.

Description based on: Nov. 1967.Some v. accompanied by statistical reports.Mode of access: Internet.Vols. for 19 -1977 issued by: the United States Civil Service Commission, Office of Labor-Management Relations; 1978-1981 by: the Office of Personnel Management, Office of Labor-Management Relations; 1983 by: the Office of Personnel Management, Office of Agency and Labor-Management Relations; 1985 by: the Office of Personnel Management, Office of Employee, Labor, and Agency Relations; 1987- by: U.S. Office of Personnel Management, Personnel Systems & Oversight Group, Office of Employee and Labor Relations; by: U.S. Office of Personnel Management, Personnel Systems and Oversight Group, Office of Labor Relations and Workforce Performance