<http://webisa.webdatacommons.org/prov/54830535>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/168480692> .
<http://webisa.webdatacommons.org/168480692>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/168480692>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<state.ny.us> .
<http://webisa.webdatacommons.org/168480692>	<http://www.w3.org/ns/prov#value>	"P is a letter to G. B. Wright, Marshall, Mich., written about June 1st, 1898, asking for prescription, and R is the envelope in which it was mailed." .