SELECTIONS AND DOCUMENTS IN ECONOMICS EDITED BY WILLIAM Z. RIPLEY, PH.D. PROFESSOR OF ECONOMICS, HARVARD UNIVERSITY SELECTIONS AND DOCUMENTS IN ECONOMICS TRUSTS, POOLS AND CORPORATIONS TRADE UNIONISM AND LABOR PROBLEMS By John R. Commons, Professor of Political SOCIOLOGY AND SOCIAL PROGRESS SELECTED READINGS IN PUBLIC FINANCE By Charles J. Bullock, Ph.D., Assistant Professor of Economics, Harvard University RAILWAY PROBLEMS By William Z. Ripley, Ph.D., Professor of SELECTED READINGS IN ECONOMICS By Charles J. Bullock, Ph.D., Assistant Professor of Economics, Harvard University ECONOMIC HISTORY OF THE UNITED By Guy Stevens Callender, Professor of Political |