OUDENBOSCH-EXPO-STERRENWACHT CreatorDick CoersenDate of creation3 maart 1968CollectionThe Netherlands National News Agency (ANP) – Photo archives, 1963-1968
DEN HAAG-RUSSISCH EREDOCTORAAT-ASTRONOOM MINNAERT CreatorDick CoersenDate of creation17 november 1967CollectionThe Netherlands National News Agency (ANP) – Photo archives, 1963-1968
DEN HAAG-RUSSISCH EREDOCTORAAT-ASTRONOOM MINNAERT CreatorDick CoersenDate of creation17 november 1967CollectionThe Netherlands National News Agency (ANP) – Photo archives, 1963-1968
DEN HAAG-RUSSISCH EREDOCTORAAT-ASTRONOOM MINNAERT CreatorDick CoersenDate of creation17 november 1967CollectionThe Netherlands National News Agency (ANP) – Photo archives, 1963-1968
OUDENBOSCH-EXPO-STERRENWACHT CreatorDick CoersenDate of creation3 maart 1968CollectionThe Netherlands National News Agency (ANP) – Photo archives, 1963-1968
OUDENBOSCH-EXPO-STERRENWACHT CreatorDick CoersenDate of creation3 maart 1968CollectionThe Netherlands National News Agency (ANP) – Photo archives, 1963-1968