Columbia subject headings:
British Medical Association--Employees--Biography.
British Medical Association.
Great Britain. National Health Service--History.
Marks, John.
Physicians--Great Britain--Biography.
Harvard subject headings:
British Medical Association--Employees--Biography.
British Medical Association.
Great Britain. National Health Service--History.
Great Britain. National Health Service.
Marks, John.
Physicians--Great Britain--Biography
Princeton subject headings:
British Medical Association--Employees--Biography.
Great Britain. National Health Service--History.
Marks, John.
Physicians--Great Britain--Biography.