Isthmian Football League

found: The statistical review of the Bostik Football League 2017/18:title page (Bostik League) title page verso (Bostik Football League) page 2 (the league now has new sponsorship with Bostik smart adhesives)

found: Its website, viewed 27 Sept. 2016:home p. (Ryman Football League) information p. (Ryman Isthmian Football League; founded in 1905; contact: The Isthmian Football League Ltd., PO Box 393, The Base, Dartford Business Park, Victoria Road, Dartford, Kent DA1 9FS)

found: Wikipedia, viewed 27 Sept. 2016(Isthmian League; regional men's football league covering London, East and South East England featuring mostly semi-professional clubs; sponsored by Ryman, and therefore officially known as the Ryman League; founded in 1905 by amateur clubs in the London area; began to admit professionalism in the 1970s; the first league to have sponsorship, having been selected by Rothmans who sponsored the league from 1973 to 1977; subsequent sponsors: Michael Lawrie (1977-78), Berger (1978-82), Servowarm (1982-85), Vauxhall-Opel (1985-90), Vauxhall (1990-91), Diadora (1991-95), ICIS (1995-97) and Ryman (1997-present)) ; 10 October 2018 (Ryman stepped down as sponsors at the end of the 2016-17 season after 20 years; sponsored by Bostik, 2017- , and known as the Bostik League for sponsorship reasons)