Principles of labor legislation / by John R. Commons and John B. Andrews. Prepared in co-operation with the American Bureau of Industrial Research. Commons, John R. Andrews, John B. author. American Bureau of Industrial Research. Labor laws and legislation United States. Labor laws and legislation. 331.026 COP Includes index Bibliography: p. 465-488. New York : Harper, 1916. 1916. 1916 Text 524 p. : eng Harper's citizens series United States.