FOR THE UNITED STATES COMMISSION TO THE PARIS EXPOSITION OF 1900 MONOGRAPHS ON AMERICAN SOCIAL ECONOMICS EDITOR HERBERT B. ADAMS Professor in the Johns Hopkins University ASSOCIATE EDITOR RICHARD WATERMAN JR XVI INDUSTRIAL BETTERMENT BY WILLIAM HOWE TOLMAN PH.D. Secretary of the League for Social Service and Special Agent for Department of Education and Social Economy for the United States THIS MONOGRAPH IS CONTRIBUTED TO THE UNITED STATES SOCIAL ECONOMY |