Coal-mine Accidents in the United States, 1934

Coal-mine Accidents in the United States, 1936: Issues 420-424

Coal-mine Accidents in the United States, 1938

Coal-mine Accidents in the United States, 1939

Coal-mine Accidents in the United States, 1935

Coal-mine Accidents in the United States, 1940

Coal-mine Accidents in the United States, 1937

Coal-mine Accidents in the United States, 1937: Issues 425-430

Metal-mine Accidents in the United States During the Calendar Year 1936: Issues 419-424

Quarry Accidents in the United States During the Calendar Year 1934: Issues 399-404

Production of Industrial Explosives in the United States: During the Calendar Year 1943

Quarry Accidents in the United States During the Calendar Year 1942: Issue 462

Coal-mine Accidents in the United States, 1932

Quarry Accidents in the United States During the Calendar Year 1937: Issues 426-432

Quarry Accidents in the United States During the Calendar Year 1934

Quarry Accidents in the United States During the Calendar Year 1938

Coke-oven Accidents in the United States: Calendar Year 1943

Production of Industrial Explosives in the United States: During the Calendar Year 1942

Quarry Accidents in the United States During the Calendar Year 1939

Coke-oven Accidents in the United States: During the Calendar Year 1939