For A Description Of The Index See Special Memorandum No. 28. Source: London And Cambridge Economic Service, Bulletin Of July 1929, P. 203, And Following Issues. Data For 1936-1939 Are All In Bulletin Of August 23, 1939, P. 379.
This NBER data series m08048b appears on the NBER website in Chapter 8 at http://www.nber.org/databases/macrohistory/contents/chapter08.html.
NBER Indicator: m08048b
Release: NBER Macrohistory Database
National Bureau of Economic Research, New Index of Average Weekly Wages for Great Britain [M0848BGBM352SNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M0848BGBM352SNBR, February 9, 2016.