Series Is Presented Here As Three Variables--(1)--Seasonally Adjusted Data, 1929-1942 (2)--Seasonally Adjusted Data, 1940-1946 (3)--Original Data, 1947-1966. Source: National Industrial Conference Board, Published By G.H. Moore, Business Cycle Indicators, Vol. Ii, P. 35 And 123. This NBER data series m08292a appears on the NBER website in Chapter 8 at http://www.nber.org/databases/macrohistory/contents/chapter08.html. NBER Indicator: m08292a

These Figures Represent The Number Of Persons Unemployed 15 Weeks And Over As A Per Cent Of The Total Civilian Labor Force. Beginning In 1960, Data Include Alaska And Hawaii. Population Data From The 1960 Census Were Introduced In April 1962. This Resulted In A Slight Reduction In Labor Force Totals, But None In The Estimates Of Unemployment. Population Data From The 1950 Census Were Used Prior To April 1962. Source: Bureau Of Labor Statistics, Monthly Report On The Labor Force, March, 1969, P. 161, For 1948-1968 Data, And Subsequent Issues Of Monthly Report On The Labor Force Thereafter. This NBER data series m08320 appears on the NBER website in Chapter 8 at http://www.nber.org/databases/macrohistory/contents/chapter08.html. NBER Indicator: m08320

This Index Covers 47 Of The Largest Of 149 Labor Market Areas Listed As "Labor Market And Employment Security." Source: G.H. Moore, Business Cycle Indicators, Vol. 2, NBER, P. 157 This NBER data series m16081 appears on the NBER website in Chapter 16 at http://www.nber.org/databases/macrohistory/contents/chapter16.html. NBER Indicator: m16081

These Series Excludes The Miners Of Pas De Calais And Nord Who Did Not Report Regularly. Source: 1897-1901 Data Are From Bulletin Du Ministere Du Travail, 1902 P. 450; 1900-1914 Data Are From Journal De La Societe De Statistique De Paris, February, 1929, Pp. 80-83 This NBER data series m08024b appears on the NBER website in Chapter 8 at http://www.nber.org/databases/macrohistory/contents/chapter08.html. NBER Indicator: m08024b

These Figures Represent The Number Of Persons Unemployed Less Than Five Weeks Expressed As The Per Cent Of The Total Civilian Labor Force (Derived By NBER). Beginning In 1960 The Data Include Alaska And Hawaii. Population Data From The 1960 Census Were Introduced In April 1962. This Resulted In A Slight Reduction In Labor Force Totals, But None In The Estimate Of Unemployment. Population Data From The 1950 Census Were Used Prior To April 1962. Source: Bureau Of Labor Statistics, "Unemployment And Earnings" And "Monthly Report On The Labor Force, " February 1967, "Civilian Labor Force, " And "Unemployed Less Than Five Weeks" For Data Through 1966 And Subsequent Issues Of The Combined Report Thereafter. Figures May Be Derived From Bls Press Releases On The Employment Situation. This NBER data series m08318 appears on the NBER website in Chapter 8 at http://www.nber.org/databases/macrohistory/contents/chapter08.html. NBER Indicator: m08318

These Figures Represent The Number Of Persons Unemployed For 5 To 14 Weeks Expressed As The Per Cent Of The Total Civilian Labor Force (Derived By NBER). Beginning In 1960, The Data Include Alaska And Hawaii. Population Data From The 1960 Census Were Introduced In April 1962. This Resulted In A Slight Reduction In Labor Force Totals, But None In The Estimates Of Unemployment. Population Data From The 1950 Census Were Used Prior To April 1962. Source: Bureau Of Labor Statistics, "Employment And Earnings" And "Monthly Report On The Labor Force, " February 1967, Pp. 35 And 40, And Subsequent Issues. This NBER data series m08319 appears on the NBER website in Chapter 8 at http://www.nber.org/databases/macrohistory/contents/chapter08.html. NBER Indicator: m08319

Data Represent The Ratio Of The Number Of Placements To Unfilled Applications, On A 1926=100 Base, Adjusted For Season. Allowance Was Made For A Change In The Ratio Construction In February, 1927 That Thereafter Included Aided Unemployed With Unfilled Applications. In 1928 This Change Was Modified By Adjusting For A Three Month Moving Average. Foreign Labor, Which France Purposely Imported, Is Covered By The Data. Source: Ministire De Travail, Statistique Generale, For 1920-1931 Data: Indices De Generaux De Movement De Economique De France, 1931, Pp. 103, 156; For 1932-1938 Data: Bulletin De Statistique Generale. This NBER data series m08024aa appears on the NBER website in Chapter 8 at http://www.nber.org/databases/macrohistory/contents/chapter08.html. NBER Indicator: m08024aa

Beginning In 1960 Data Include Alaska And Hawaii Population Data From The 1960 Census Were Introduced In April 1962. This Resulted In A Slight Reduction In Labor Force Totals, But None In The Estimates Of Unemployment. Population Data From The 1950 Census Were Used Prior To April 1962. Source: Bureau Of Labor Statistics, Monthly Report On The Labor Force, January 1965 For 1954-1964 Data And Subsequent Issues For Following Years. In Addition, See The Business Conditions Digest, February 1966 And Employment And Earnings And Monthly Report On The Labor Force, February 1967. This NBER data series m08311 appears on the NBER website in Chapter 8 at http://www.nber.org/databases/macrohistory/contents/chapter08.html. NBER Indicator: m08311

Source: Business Cycle Developments, March 1964, For 1949-1962 Data; August, 1966 And Following Months For 1963 And Later Data. This NBER data series m08310 appears on the NBER website in Chapter 8 at http://www.nber.org/databases/macrohistory/contents/chapter08.html. NBER Indicator: m08310