<http://webisa.webdatacommons.org/206986023>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/505037671>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/206986023> .
<http://webisa.webdatacommons.org/206986023>	<http://www.w3.org/ns/prov#value>	"During this period, George produced works such as Protection or Free Trade (1886), A Condition of Labor: An Open Letter to the Pope (1891), and A Perplexed Philosopher (1892)." .
<http://webisa.webdatacommons.org/206986023>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<newworldencyclopedia.org> .