International Olympic Committee

http://www.olympic.org

Deutsche Olympische Gesellschaft (DOG)

http://olympia-bewegt-alle.de

European Olympic Committees

http://www.eurolympic.org

Pan American Sports Organisation

http://www.odepa-paso.org

The Olympic Collectors Commission

http://www.collectors.olympic.org

Olympic Council of Asia

http://www.ocasia.org

Olympic Museum Lausanne

http://www.museum.olympic.org