00768nam a2200157Ia 450000100060000000300050000600500170001100800410002811001000006924502260016926000630039530000370045865100310049570000300052671000540055647895BIBL20160527184024.0920303|1930||||nyu|||||||||||00010|eng|d20aConference on Unemployment, Washington D.C., 1921. Committee on recent Economic Changes.2Local10aPlanning and control of public works : report of the Committee on recent economic changes of the President's Conference on unemployment; including the report of Leo Wolman of the National Bureau of Economic Research, inc.0 aNew YorkbNational Bureau of Economic Research, Incc1930.  axxviii, 260 p.btables., diagrs. 0aU.S.xPublic works.2Local10aWolman, Leo, 1890-2Local20aNational Bureau of Economic Research, Inc.2Local