: _IPUMS_http://data.socialhistory.org/resource/LICR/ipums/ Create a prefix for http://data.socialhistory.org/resource/LICR/ipums/ Hit Enter to save Double click to create a prefix | http://data.socialhistory.org/resource/LICR/ipums/{IPUMS} | : 2016-12-13T14:46http://data.socialhistory.org/resource/LICR/provenance/16363429/ Create a prefix for http://data.socialhistory.org/resource/LICR/provenance/16363429/ Hit Enter to save Double click to create a prefix |