South Derbyshire District Colliery Owners Association printed copy minute book for the year 1929 Containing index at start: (pages 671-689) minutes for meetings of the SDDCOA, 5 Feb-31 Dec 1929: and (unnumbered pages) minutes of the SDDCOA Management Committee meeting, 21 Jan 1929, and minutes of meetings of the South Derbyshire District Wages Board for the Coal Industry and its committee, 5 Jan-30 Nov 1929. Jan 1929-Dec 1929