Guide to Research CollectionsHistorical Society of Pennsylvania
Papers: 1837-1903, ca. 600 items.
Collection includes letters from Kelley to his family and from political figures and businessmen.
Boston Public Library
Papers: 2 letters.
Butler Library, Rare Book & Manuscript Library Library
New York, NY
Papers: In the papers of the Kelley family, 1681-1936, ca. 1,800 items.
Collection includes correspondence, photographs, and documents of the Kelley family. There are letters to William D. Kelley from Andrew Carnegie, Rutherford B. Hayes, Lajos Kossuth, Abraham Lincoln, Thaddeus Stevens, and Gideon Welles.