Columbia subject headings:
Daily mail (London, England)
Northcliffe, Alfred Harmsworth, Viscount, 1865-1922.
Harvard subject headings:
Daily mail (London, England)
Northcliffe, Alfred Harmsworth, Viscount, 1865-1922.
Princeton subject headings:
Daily mail, London.
Northcliffe, Alfred Harmsworth, Viscount, 1865-1922.