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<http://webisa.webdatacommons.org/prov/512321979>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/168991439> .
<http://webisa.webdatacommons.org/168991439>	<http://www.w3.org/ns/prov#value>	"His daughter, AILSA MELLON BRUCE, a philanthropist and art collector, established the Avalon Foundation in 1940, through which she supported the National Gallery of Art and other organizations." .
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