About: http://webisa.webdatacommons.org/421552267

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Starting in the ???30s, but particularly in the ???40s and the ???50s, they had about 300 people doing the work at home.<br> +
http://www.w3.org/ns/prov#wasQuotedFrom	ieeeghn.org