<http://webisa.webdatacommons.org/prov/135598664>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/44034224> .
<http://webisa.webdatacommons.org/44034224>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<nationalgeographic.com> .
<http://webisa.webdatacommons.org/44034224>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/44034224>	<http://www.w3.org/ns/prov#value>	"He is author and editor of numerous National Geographic birding books, including co-author of the top-selling Field Guide to the Birds of North America." .