AMSTERDAM-OPENING-CONFERENTIE-WERELDFEDERALISTEN CreatorRuud HoffDate of creation8 augustus 1966CollectionThe Netherlands National News Agency (ANP) – Photo archives, 1963-1968
AMSTERDAM-OPENING-CONFERENTIE-WERELDFEDERALISTEN CreatorRuud HoffDate of creation8 augustus 1966CollectionThe Netherlands National News Agency (ANP) – Photo archives, 1963-1968