There are minutes of the Standing Joint Committee on Industrial Women's Organisations from 1916 and the Labour Women's Advisory Committee from 1916 to 1966. You can obtain subsequent minutes of these committees from the Labour Party National Executive Committee minutes.
There is correspondence and memoranda of the various women's officers from 1919 to 1960. There is subsequent unlisted correspondence of the woman officers, Joyce (later Baroness) Gould (b.1932) and Betty (later Baroness) Lockwood (b 1924), mainly relating to women's conference resolutions in the 1970s and 1980s.
There is also material in the 1990s relating to the debate on women's quotas in the 1990s. The Labour History Archives and Study Centre holds a run of the Labour Woman from 1911 to 1971 and women's conference reports from 1927 to 1990.