| http://www.w3.org/ns/prov#value | - The NED collection joins more than 60,000 others in holdings that include the papers of 23 U.S. presidents, many Supreme Court justices and other government officials; noted individuals such as Susan B. Anthony, Frederick Douglass, Margaret Sanger, Samuel F. B. Morse, Benjamin Franklin, Groucho Marx, Sigmund Freud, and Walt Whitman; and organizations such as the NAACP, National Urban League, and t
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