sdo:contentUrl | https://iisg.amsterdam/iisg/labourconflicts/download.nq.gz | ||
sdo:contentUrl | https://iisg.amsterdam/iisg/labourconflicts/download.trig.gz | ||
sdo:contentUrl | https://iisg.amsterdam/iisg/labourconflicts/download.nt.gz | ||
sdo:contentUrl | https://iisg.amsterdam/iisg/labourconflicts/download.ttl.gz |