NCB/A/BUT/3/2/5
Marehay Colliery register of insurable employees, also with names of Denby Hall, Salterwood and...
1936-1939
Butterley Company
Derbyshire Record Office
NCB/A/BUT/3/5/23
Butterley Company correspondence file on payments during absence through sickness and illness
Mar 1933-May 1944
NCB/A/BUT/6/4/3
Butterley Company correspondence file on agreement with the Denby Iron and Coal Company on taking...
Apr 1926-Jun 1926
Strutt family of Belper