: 51https://iisg.amsterdam/hisco/code/relation/ Create a prefix for https://iisg.amsterdam/hisco/code/relation/ Hit Enter to save Double click to create a prefix | iisgr:hisco/RELATION | : 2020-06-07T08:19https://iisg.amsterdam/relation/assertion/2146cd41/ Create a prefix for https://iisg.amsterdam/relation/assertion/2146cd41/ Hit Enter to save Double click to create a prefix |