The series comes from the 'Current Population Survey (Household Survey)'
The source code is: LNU05076940
Source: US. Bureau of Labor Statistics
Release: Employment Situation
US. Bureau of Labor Statistics, Not in Labor Force - With No Disability, 16 to 64 years, Men [LNU05076940], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/LNU05076940/, June 3, 2015.