Other Harmsworth related sites
http://en.wikipedia.org/wiki/Daily_Mail_aviation_prizes
http://www.archive.org/stream/motorsmotordrivi00nortuoft/motorsmotordrivi00nortuoft_djvu.txt
http://www.spartacus.schoolnet.co.uk/BUrothermere.htm
http://www.spartacus.schoolnet.co.uk/BUharmsworth.htm
http://en.wikipedia.org/wiki/Viscount_Northcliffe
http://en.wikipedia.org/wiki/Viscount_Rothermere
http://en.wikipedia.org/wiki/Baron_Harmsworth
http://en.wikipedia.org/wiki/Harmsworth_Baronets
http://www.bbc.co.uk/history/british/britain_wwone/war_media_01.shtml
http://edwardianpromenade.com/downton-abbey-2/the-birth-of-the-daily-mail/