UDEN-MOTORSPORT-NATIONALE MOTORSPRINTS CreatorCorr HeeseDate of creation9 maart 1969CollectionThe Netherlands National News Agency (ANP) – Photo archives, 1963-1968
BERGHAREN-MOTORCROSS-JAN KEIZER CreatorCorr HeeseDate of creation7 april 1969CollectionThe Netherlands National News Agency (ANP) – Photo archives, 1963-1968
UDEN-MOTORSPORT-NATIONALE MOTORSPRINTS CreatorCorr HeeseDate of creation9 maart 1969CollectionThe Netherlands National News Agency (ANP) – Photo archives, 1963-1968