Coal And Steel Strikes Which Ended In November, 1949, Accounted For High Unemployment In October, 1949. Also, A Large Number Of Coal Miners And Steel Workers, Reported As Looking For Work In October, 1949, Were Later Classified As "With A Job But Not At Work," Which Led To The Decline In Unemployment In November (See Monthly Labor Review, December, 1949). Source: Data Was Estimated By NBER From The Monthly Report On The Labor Force, Bureau Of Labor Statistics.
This NBER data series m08356 appears on the NBER website in Chapter 8 at http://www.nber.org/databases/macrohistory/contents/chapter08.html.
NBER Indicator: m08356
Release: NBER Macrohistory Database
National Bureau of Economic Research, Potential Manhours Lost, Labor Force for United States [M08356USM420SNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M08356USM420SNBR/, August 31, 2015.