Council minutes, 1922-1969; various committee minutes, 1884-1972; memoranda and articles of association, 1960-1972; miscellaneous memoranda and costings, 1972-1975.
Publications of the Association include; annual reports, 1884-1986; Labour Association leaflets, 1893-1916; Labour Co-partnership, 1894-1980; Profit -sharing and Co-partnership, 1912-1913; conference and congress programmes, 1920-1971; notices for luncheon and tea meetings, 1928-1963.
Other publications include Co-operative union publications, 1828-1829, 1872-1924; Co-operative union pamphlets, 1901-1917; The Co-operative Magazine, 1869-1924; Trades Union Congress Annual Reports, 1906, 1911; Co-operative Congresses, 1869-1924, and Bulletin de la participation aux Benefices, 1893-1898.
The collection also includes publications from the Involvement and Participation Association Library, 1793-1988. The library was arranged in seven categories including industrial relations; trade unions, profit sharing, co-operation; biographies, individual companies, and general works.