<http://webisa.webdatacommons.org/prov/100497723>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/299494157> .
<http://webisa.webdatacommons.org/prov/272693018>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/299494157> .
<http://webisa.webdatacommons.org/299494157>	<http://www.w3.org/ns/prov#value>	"Teachers, parents or other relatives and friends were recipients of these letters." .
<http://webisa.webdatacommons.org/prov/45320351>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/299494157> .
<http://webisa.webdatacommons.org/299494157>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/397230649>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/299494157> .
<http://webisa.webdatacommons.org/299494157>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<cslib.org> .