General

London 2012 Official Website - www.london2012.com
Summer Sports www.olympic.org/en/content/Sports
London Underground www.tfl.gov.uk/modalpages/2625.aspx
Visit London www.visitlondon.com
Visit Britain www.visitbritain.com
Jet Set Sports (CoSport's sister company) www.jetsetsports.com

Olympic Games

International Olympic Committee - www.olympic.org
London 2012 - www.london2012.com
Sochi 2014 - www.sochi2014.com
Rio 2016 – www.rio2016.com

National Olympic Committees

Australia - www.olympics.com.au
Austria - www.oeoc.at
Bulgaria - www.bgolympic.org
Canada - www.olympic.ca
Sweden - www.sok.se/inenglish
United States - www.usolympicteam.com