The Modern Records Centre (MRC) is the specialist archive service of the University of Warwick in Coventry, England, located adjacent to the Central Campus Library. It was established in October 1973 and holds the world's largest archive collection on British industrial relations, as well as archives relating to many other aspects of British social, political and economic history.
The BP corporate archive is located next to the MRC, but has separate staff and facilities.
The Modern Records Centre holds by far the largest collection of archives of British trade unions in the country. The largest collection held in the centre is the archive of the Trades Union Congress (TUC).
Other significant collections of archives relating to British trade unions include:
Significant collections relating to trade union federations include the Confederation of Employee Organisations, the Confederation of Shipbuilding and Engineering Unions, the Council of Civil Service Unions, the Federation of Post Office Supervising Officers, the General Federation of Trade Unions, the National Federation of Construction Unions (formerly the National Federation of Building Trade Operatives), the National Federation of Professional Workers, the National Joint Committee of Postal and Telegraph Associations, the Post Office Engineering Federation, and the Printing and Kindred Trades Federation.
International trade union federations are represented by major collections of the International Transport Workers' Federation and the World Federation of Scientific Workers.