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Accidents at metallurgical works in the United States during the calendar years 1913 and 1914
Accidents at metallurgical works in the United States :during the calendar year 1915
Accidents at metallurgical works in the United States :during the calendar year 1916
Accidents at metallurgical works in the United States during the calendar years 1917
Accidents at metallurgical works in the United States during the calendar years 1918
Accidents at metallurgical works in the United States during the calendar year 1919
Accidents at metallurgical works in the United States :during the calendar year 1920
Accidents at metallurgical works in the United States :during the calendar year 1921
Accidents at metallurgical works in the United States :during the calendar year 1922
Accidents at metallurgical works in the United States :during the calendar year 1923
Accidents at metallurgical works in the United States :during the calendar year 1924
Accidents at metallurgical works in the United States :during the calendar year 1925
Accidents at metallurgical works :during the calendar year 1926
Accidents at metallurgical works in the United States :during the calendar year 1927
Accidents at metallurgical works in the United States :during the calendar year 1928
Accidents at metallurgical works in the United States :during the calendar year 1929
Accidents at metallurgical works in the United States :during the calendar year 1930
Accidents at metallurgical works in the United States :during the calendar year 1931
Accidents at metallurgical works in the United States during the calendar year 1932