The Commonwealth of Massachusetts. Dept. of labor FORTIETH ANNUAL REPORT WRIGHT & POTTER PRINTING CO., STATE PRINTERS, 18 POST OFFICE SQUARE. 1911. - Decreases in hours of labor granted at request of em- ployees without strike: By methods of arrange- XIII. - Number of employees affected by changes in hours of labor, 1907-1909: By methods of arrangement, Changes in hours of labor: By localities, I. DEFINITIONS AND EXPLANATION OF TERMS, 2. Attack and defense strikes, 3. The units of statistics of causes, results, and magnitude, |