Columbia subject headings:
Harvard subject headings:
Marshals--Great Britain--Biography.
Robertson, W. R. (William Robert), 1860-1933.
Robertson, William Robert, Sir, bart., 1860-1933.
World War, 1914-1918--Great Britain
Princeton subject headings:
Robertson, William Robert, Sir, bart., 1860-1933.
World War, 1914-1918--Great Britain.