Marita KOCH - Biography of her International athletics career. - East Germany
Marita Koch - Zu schnell, um wahr zu sein? | NDR.de - Sport - legenden
Marita Koch: Can we believe her 400m world record is genuine? - BBC Sport
Women's Athletics World Records
Marita Koch 400m World Record - YouTube
Marita Koch: Greatest 400m runner unconquerable even after 36 years | Sunday Observer
Marita Koch: Greatest 400m runner unconquerable even after 36 years | Sunday Observer
Leichtathletik: DDR steht hier noch immer an der Spitze
Drugs, brawls, disqualifications: 30yrs since Canberra hosted most controversial athletes in history - ABC News
Marita Koch 400m dash | Athletisme, Célébrités
Marita Koch East Germany 400m Final Editorial Stock Photo - Stock Image | Shutterstock Editorial
MARITA KOCH East German Athlete in athletics after she wonn 400m at European Championship in the Athena 1982 Stock Photo - Alamy
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
A New World record to Marita Koch over 400 metres Olga Vladykina... News Photo - Getty Images