Marita Koch 400m World Record 48.16 (European Championships 82 Athens). - YouTube
A New World record to Marita Koch over 400 metres Olga Vladykina... News Photo - Getty Images
Marita Koch: Can we believe her 400m world record is genuine? - BBC Sport
Women's Athletics World Records
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 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
Drugs, brawls, disqualifications: 30yrs since Canberra hosted most controversial athletes in history - ABC News
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
Leichtathletik: DDR steht hier noch immer an der Spitze