: 100274https://data.jm.nl/temp-locationobservationid/ Create a prefix for https://data.jm.nl/temp-locationobservationid/ Hit Enter to save Double click to create a prefix | : 1-hooghttps://vocab.amsterdamtimemachine.nl/toevoegingen/ Create a prefix for https://vocab.amsterdamtimemachine.nl/toevoegingen/ Hit Enter to save Double click to create a prefix | graph:joodsmonument |