Columbia subject headings:
Daily mail (London, England)--History.
Newspaper publishing--Great Britain--History--20th century.
Northcliffe, Alfred Harmsworth, Viscount, 1865-1922.
Publishers and publishing--Great Britain--Biography.
Rothermere, Harold Sidney Harmsworth, Viscount, 1868-1940.
Harvard subject headings:
Daily mail (London, England)--History.
Newspaper publishing--Great Britain--History--20th century
Northcliffe, Alfred Harmsworth, Viscount, 1865-1922.
Publishers and publishing--Great Britain--Biography
Rothermere, Harold Sidney Harmsworth, Viscount, 1868-1940.
Princeton subject headings:
Daily mail (London, England)--History.
Northcliffe, Alfred Harmsworth, Viscount, 1865-1922.
Rothermere, Harold Sidney Harmsworth, Viscount, 1868-1940.