DEN HAAG-BOUW-CAO CreatorAnpDate of creation29 maart 1968CollectionThe Netherlands National News Agency (ANP) – Photo archives, 1963-1968
DEN HAAG-OVERLEG-BOUW CAO CreatorBen HansenDate of creation16 februari 1968CollectionThe Netherlands National News Agency (ANP) – Photo archives, 1963-1968
BOLSWARD-OPENBAAR VERVOER-STAKING CreatorAnp, correspondentDate of creation19 maart 1969CollectionThe Netherlands National News Agency (ANP) – Photo archives, 1963-1968
DEN HAAG-BOUW-CAO CreatorAnpDate of creation29 maart 1968CollectionThe Netherlands National News Agency (ANP) – Photo archives, 1963-1968
AMSTERDAM-KRASNAPOLSKY-C.A.O.-ONDERHANDELINGEN CreatorCor OutDate of creation14 februari 1968CollectionThe Netherlands National News Agency (ANP) – Photo archives, 1963-1968
DEN HAAG-BOUW-CAO CreatorAnpDate of creation29 maart 1968CollectionThe Netherlands National News Agency (ANP) – Photo archives, 1963-1968
DEN HAAG-OVERLEG-BOUW CAO CreatorBen HansenDate of creation16 februari 1968CollectionThe Netherlands National News Agency (ANP) – Photo archives, 1963-1968