00789cam a22002651 4500 l 49000035 DLC 20260227111541.0 850521s1949 dcu f000 0 eng c l 49000035 (OCoLC)12063423 U. S. Dept. of Labor. AU DLC premarc HD7801 .U62 1949 331.0621 United States. Bureau of Labor Standards. World labor standards. [Washington, 1949.] 8 p. 23 cm. Its Bulletin no. 111 Cover title. International Labour Organisation. Labor laws and legislation, International. United States. Bureau of Labor Standards. Bulletin no. 111. 36643 36643