00603nam a2200169Ia 4500001001100000005001700011008004300028022002500071050001700096222005200113245005300165260003600218300001800254362005500272610004600327650006000373000000670620251012174454.0  980804d19211974sz uu        i0    0eng c  a0020-7772l0020-777200aHD4811b.I57 0aOfficial bulletin - International Labour Office10aOfficial bulletincInternational Labour Office.   aGenevabThe Officec1921-1974.   a55 v.c24 cm.0 aVol. 3, no. 1 (5 Jan. 1921)-v. 57, no. 2, 3 and 4.20aInternational Labour OfficevPeriodicals. 0aLabor laws and legislation, InternationalvPeriodicals.