NCB/A/BUT/5/3/10
Mining Agent's monthly reports to the Managing Director of the Butterley Company
Jan 1938-Dec 1938
Butterley Company
Derbyshire Record Office
NCB/A/BUT/5/9/11
File of letters sent by M. F. M. Wright enclosing Butterley Company agreements for safe deposit...
Jan 1945-Mar 1947
NCB/A/BUT/5/14/6
Butterley Company correspondence file on Montagu FM Wright being President of the Midland...
Oct 1942-Nov 1944
National Coal Board