The bkl committee was organized in 1925 and liquidated in 1928.
Circulars, orders and meeting protocols of the Central Bureau of the All-Union Central Council of Trade Unions and the Medium Committee of the Union of Metalworkers; work plans of metalworking enterprises; minutes of production meetings, trade union conferences, meetings of factory committees on the implementation of production plans; protocols of tariff and economic meetings, arbitration courts and price-conflict commissions; work plans and reports of clubs, circles, libraries, correspondence on physical education and sports.
