<http://webisa.webdatacommons.org/prov/439013048>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/352045986> .
<http://webisa.webdatacommons.org/352045986>	<http://www.w3.org/ns/prov#value>	"How many modern school boys and girls are doing subjects such as algebra which no one could have guessed they would be doing only 10 years ago?" .
<http://webisa.webdatacommons.org/352045986>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/352045986>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<millbanksystems.com> .