Leichtathletik: DDR steht hier noch immer an der Spitze
Marita Koch: Greatest 400m runner unconquerable even after 36 years | Sunday Observer
Marita KOCH - Biography of her International athletics career. - East Germany
Marita Koch | German athlete | Britannica
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 - Legends - - Publisher - Track and Field Society
Marita Koch East Germany 400m Final Editorial Stock Photo - Stock Image | Shutterstock Editorial
Marita Koch 48.16 World Record 400m. (European Championship Athens 82) - YouTube
Monaco press points – Allan Wells, Marita Koch, Volker Beck | World Athletics
Marita Koch sets a New World record for 400 meters at the World Cup... News Photo - Getty Images