A brief timeline
1890 - National Union of Clerks was formed. It was also known as 
the Clerks' Union or the Metropolitan Clerks' Union.
Apr 1903 - Association of Shorthand Writers and Typists was formed. This union was for both sexes.
1912 - the Association changed its name to the Association of Women Clerks and Secretaries (AWCS) and became women only membership.
1920 - National Union of Clerks changed its name to the National Union of Clerks and Administrative Workers.
1941 - National Union of Clerks and Administrative Workers amalgamated with the Association of Women Clerks and Secretaries (AWCS) to become the Clerical and Administrative Workers' Union.
1972 - the Clerical and Administrative Workers' Union changed its name to APEX (Association of Professional, Executive, Clerical and Computer Staff).
1989 - APEX merged with the GMB.
Resources about clerks' unions in the Library
Arthur Marsh and Victoria Ryan, The clerks: a history of APEX 1890-1989 (1997) - Shelfmark: I12
J Henry Lloyd and RE Scouller, Trade unionism for clerks (no date) - Shelfmark: AG Trade Unions Box 2
Search the catalogue for more resources
Resources held by the Modern Records Centre
Other records are held at the Modern Records Centre, University of Warwick:
Association of Professional, Executive, Clerical and Computer Staff (APEX), earlier the National Union of Clerks and Administrative Workers and the Clerical and Administrative Workers' Union (CAWU) (MSS.174/APC, MSS.192/APC, MSS.279/APC)