: IPUMShttp://data.socialhistory.org/resource/LICR.csv/column/ Create a prefix for http://data.socialhistory.org/resource/LICR.csv/column/ Hit Enter to save Double click to create a prefix | : titlehttp://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 | IPUMS @en | : 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 |