Dutch Handball Association
World Gymnastic Championships Rotterdam
World Gymnastic Championships 1987 Rotterdam
KNCGV - Royal Dutch Christian Gymnastics Association
Rotterdam Baseball World Port Tournament 1989
Royal Dutch Korfball Association - Zeist
Dutch Handball Association - Schiedam
Sports Awards - Cup - Bunschoten Spakenburg
KNGB - Royal Dutch Gymnastics Association - Beekbergen
