: dataverse-1255-2https://iisg.amsterdam/authority/period/ Create a prefix for https://iisg.amsterdam/authority/period/ Hit Enter to save Double click to create a prefix | iisgv:end | 1800-12-31 | : dataversehttps://iisg.amsterdam/graph/ Create a prefix for https://iisg.amsterdam/graph/ Hit Enter to save Double click to create a prefix |