| http://www.w3.org/ns/prov#value | - We have taken some steps to preserve the photos and other documents while hopefully maintaining the integrity of his arrangement and presentation: (1) photos and other documents were removed from the pages onto which they were glued or stapled and inserted into archival quality sleeves; (2) acid-free photocopies of news clippings were made to replace highly acidic newsprint; and (3) both volumes,
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