01138cam a22002651  4500001001300000003000400013005001700017008004100034010001700075035001900092040001900111042001200130050002200142082001100164111006900175245013200244260004800376300003900424490007100463500014100534504011500675650003800790650002700828999001700855l  37000087 DLC20260227111536.0801030s1937    dcu      b   f100 0 eng    al  37000087   a(OCoLC)6882440  aDLCcWMUWdDLC  apremarc00aHD7264b.N3 1937d  a613.632 aNational Silicosis Conferencen(2nd :d1937 :cWashington, D.C.)00aNational Silicosis Conference;bsummary reports submitted to the Secretary of Labor by conference committees, February 3, 1937.  aWashington,bU.S. Govt. Print. Off.,c1937.  aviii, 56 p.bincl. tables.c23 cm.0 aU.S. Dept. of Labor. Division of Labor Standards. Bulletinvno. 13  aAt head of title: United States Department of Labor. Frances Perkins, secretary. Division of Labor Standards. Verne A. Zimmer, director.  a"Committee on the Prevention of Silicosis through Engineering Control. List of selected references": p. 52-56. 0aLungsxDust diseasesvCongresses. 0aSilicosisvCongresses.  c36228d36228