Butterley Company correspondence file on the treatment of rheumatism at the Kirkby Colliery Clinic Including correspondence with Dr. Ladislas Schmidt, Consulting Physician and Medical Supervisor to the Rheumatism Clinics of the Butterley Collieries and Ironworks, reprints and copies of articles and papers by Schmidt entitled 'Artificial Sunlight in Industry' from the British Medical Journal, 8 June 1946, and 'What is Fibrositis', Mar-Apr 1946 and 'Physiotherapy in Rheumatic Diseases: The Choice of Suitable Methods at Various Stages', Jul-Aug 1946, both from the British Journal of Physical Medicine and Industrial Hygiene, and accounts with Bioglan Laboratories Limited of Hertfordshire for drug treatments and accounts for private treatments. Aug 1946-Apr 1947