. . . "Labor-management relations in the Federal service Hearing, Ninety-third Congress, first session, on S. 351"@en . . "Labor-management relations in the Federal service hearing, Ninety-third Congress, first session, on S. 351"@en . . . "Labor-management relations in the Federal service: hearing, Ninety-third Congress, first session, on S. 351, to provide for improved labor-management relations in the Federal Service, and for other purposes" . . . . . . .