Monaco press points – Allan Wells, Marita Koch, Volker Beck | World Athletics
Marita Koch: Greatest 400m runner unconquerable even after 36 years | Sunday Observer
Marita Koch: Greatest 400m runner unconquerable even after 36 years | Sunday Observer
Marita Koch et Marlies Gohr 1983 - Along with Flo Jo these two East German athletes had some of the most suspect … | Track and field, Sporting legends, Sports women
W 400m - Marita Koch - 47.60 - Canberra (Aus) - 1985 - World Record - YouTube
Track's Most Resilient (and Suspect) Record Is in Danger - The New York Times
Women's Athletics World Records
Marita Koch | German athlete | Britannica
Marita Koch - Wikipedia
MARITA KOCH East German Athlete in athletics after she wonn 400m at European Championship in the Athena 1982 Stock Photo - Alamy
Marita Koch sets a New World record for 400 meters at the World Cup... News Photo - Getty Images
BBC Sport on Twitter: "30 years on, Marita Koch's unbroken 400m world record is still a hot topic. Was it genuine? http://t.co/BrV7nrDldP http://t.co/qr1nexoNne" / Twitter
Marita Koch - Wikipedia
A New World record to Marita Koch over 400 metres Olga Vladykina... News Photo - Getty Images
Marita KOCH - Biography of her International athletics career. - East Germany