Fußballdaten.de. "Die Spielstatistik DDR - Tschechien" [The soccer data GDR vs. Czechoslovakia] (in German). Archived from the original on 28 December 2014. Retrieved 1 November 2014.
Fußballdaten.de. "Qualifikationsrunde der WM 1978" [Qualification round of the FIFA World Cup 1978] (in German). Archived from the original on 28 December 2014. Retrieved 1 November 2014.
"Direkter Vergleich DDR gegen CSSR" [Directly comparison between EAST GERMANY vs. CZECHOSLOVAKIA] (in German). Archived from the original on 28 December 2014. Retrieved 1 November 2014.
Fußballdaten.de. "Die Spielstatistik DDR - Tschechien" [The soccer data GDR vs. Czechoslovakia] (in German). Archived from the original on 28 December 2014. Retrieved 1 November 2014.
Fußballdaten.de. "Qualifikationsrunde der WM 1978" [Qualification round of the FIFA World Cup 1978] (in German). Archived from the original on 28 December 2014. Retrieved 1 November 2014.
weltfussball.de. "Fußballländerspiele 1978" [Soccer international matches 1978] (in German). Archived from the original on 28 December 2014. Retrieved 1 November 2014.
"Direkter Vergleich DDR gegen CSSR" [Directly comparison between EAST GERMANY vs. CZECHOSLOVAKIA] (in German). Archived from the original on 28 December 2014. Retrieved 1 November 2014.
Youtube. "Vorrunde (Gruppe 4)" [UEFA Qualifying 1980] (in German). Archived from the original on 28 December 2014. Retrieved 1 November 2014.
Weltfußball. "Direckter Vergleich DDR gegen GRE" [Directly comparison GDR vs. GRE 1980] (in German). Archived from the original on 28 December 2014. Retrieved 1 November 2014.
Weltfußball. "Direckter Vergleich DDR gegen GRE" [Directly comparison GDR vs. GRE 1980] (in German). Archived from the original on 28 December 2014. Retrieved 1 November 2014.
weltfussball.de. "Fußballländerspiele 1978" [Soccer international matches 1978] (in German). Archived from the original on 28 December 2014. Retrieved 1 November 2014.