1 finding aid(s) found containing the word(s) Pinkerton, Robert A., 1904-1967.

  1. Pinkerton's National Detective Agency records, 1853-1999

    63,000 items. 185 containers plus 20 oversize. 80 linear feet. 3 microfilm reels. -- Manuscript Division, Library of Congress, Washington, D.C.

    Summary:

    Private detective agency directed by the Pinkerton family to protect interests of clients in business and industry. The records include business and family correspondence; biographical and genealogical records; administrative records such as procedural guidelines and training manuals; criminal case files which include correspondence, reports, photographs, legal documents, and printed matter; and draft manuscripts and printing plates.