This series contains briefs, court transcripts, evidence, testimony, and other materials from legal cases. Manley was involved in most, if not all, of these cases. The cases concern a number of topics, several of which were related to Native American issues. Other cases include Calmes, Becker, Zehler v. Lehnis, and Trzecieski v. The State of New York, in which a dairy farmer made a claim for financial compensation after losing part of his herd to bovine tuberculosis.
This series contains various materials that Manley used for his research. It includes court transcripts and briefs, photocopies of manuscripts, reports, notes, news clippings, correspondence, publications, and photographs. Some of this material was used in the writing of Manley's book, The Treaty of Fort Stanwix, 1784. The majority of the material relates to Native American issues, which was an important focus in Manley's legal career. A good portion of this series does have some relationship to legal issues, but it was not included in the Legal Papers Series either because it was not directly related to legal cases or Manley was not directly involved in the relevant cases.