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NEW PUBLICATIONS OF
Handbook of labor statistics, 1931 edition. Bulletin No. 541.
surance in foreign countries. Bulletin No. 544.
No. 556 Labor conditions of women and children in Japan. Bulletin No. 558.
Building permits in principal cities of the United States, 1930. Bulletin
No. 545. Wages and hoars of labor in cane-sugar refining industry, 1930.
Bulletin No. 547. Decisions of courts and opinions affecting labor, 1929–1930. Bulletin
No. 548. Labor legislation of Paraguay. Bulletin No. 554. Labor legislation of Ecuador. Bulletin No. 559. Safety codes for the prevention of dust explosions. Bulletin No. 562.
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CERTIFICATE This publication is issued pursuant to the provisions of the sundry civil act (41 Stats. 1430) approved March 4, 1921.