Selected commissions and hearings:Anthracite Coal Strike Commission, 1902-1903
Interstate Commerce Commission, 1902 and 1912-15
Pennsylvania Anthracite Commission, 1916-17
Federal Trade Commission, 1916-17
U.S. Fuel Administration, 1917-19
Subcommittee of the U.S. Senate on Manufactures, 1917-19
Subcommittee of the U.S. Senate on Interstate Commerce, 1919-20 [re freight rates and prices]
U.S. Senate Select Committee on Reconstruction and Production, 1920
U.S. Anthracite Coal Commission, 1920
U.S. Dept. of Justice, 1920 [re cost of living/prices]
U.S. Senate Committee on Manufactures, 1921
U.S. Coal Commission , 1922-23 (part II includes "Living Conditions of Anthracite Mine Workers")
Interstate Commerce Commission, 1923-25