found: Millwall Football Club, 1885-1939, 1999:p. 7, etc. (Millwall)
found: Its website, viewed 2 May 2019:home page (Milwall Football Club) contact page (The Den, Zampa Road, London SE16 3LN)
found: Wikipedia, viewed 2 May 2019(Millwall F.C.; Millwall Football Club; nickname: The Lions; professional football club in Bermondsey, South East London; founded in 1885 as Millwall Rovers by the workers of J. T. Morton's canning and preserve factory in the Millwall area of the Isle of Dogs in London's East End; in April 1889, renamed Millwall Athletic after moving to The Athletic Grounds in the Isle of Dogs; moved to North Greenwich in 1901, and in 1910 to a new stadium, The Den, in Cold Blow Lane, New Cross, South London; dropped "Athletic" from its name by 1920; moved to the New Den (now called the Den), in Bermondsey in May 1993; Millwall name retained despite having last played in the Millwall area in 1910)
found: 11v11 website, viewed 2 May 2019:under Millwall football club match record (1919/20 season: Milwall Athletic; 1920/21 season: Milwall)