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<http://webisa.webdatacommons.org/321394335>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<yale.edu> .
<http://webisa.webdatacommons.org/321394335>	<http://www.w3.org/ns/prov#value>	"???transparencies, dittos, films, and other materials" .
<http://webisa.webdatacommons.org/prov/426815056>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/321394335> .
<http://webisa.webdatacommons.org/prov/455805315>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/321394335> .