Butterley Company correspondence file of H. Eustace Mitton with Winifred, Duchess of Portland, on Harlow Wood Orthopaedic Hospital, including on the endowment of a bed there by Ollerton Miners Welfare Committee Also including loose correspondence on the debts of Basil Webster, mining student, working at Ollerton Colliery, Jul-Sep 1934, with copies of cash advance payments, Mar 1933-June 1934 Nov 1929-Dec 1933