: valueUrlhttp://www.w3.org/ns/csvw# Create a prefix for http://www.w3.org/ns/csvw# Hit Enter to save Double click to create a prefix | : __amco__http://www.gemeentegeschiedenis.nl/amco/ Create a prefix for http://www.gemeentegeschiedenis.nl/amco/ Hit Enter to save Double click to create a prefix | : 2020-10-07T08:53https://iisg.amsterdam/persons_deaths1910_1920/provenance/5f8ed4a0/ Create a prefix for https://iisg.amsterdam/persons_deaths1910_1920/provenance/5f8ed4a0/ Hit Enter to save Double click to create a prefix |