Wereldkampioenschappen schaatsen 1967 in Oslo, met Ingar Bollerud (Norway)…, Bestanddeelnr 920-0676 (cropped).jpg
1967 World All-Round Speed Skating Championships for Men
1973 World All-Round Speed Skating Championships for Men
1967 European Allround Speed Skating Championships
1973 European Allround Speed Skating Championships for men