Collection includes correspondence, book reviews written by Gleason, collected book reviews for his book "The Justices of the Peace in England, 1558 to 1640: a later Eirenacha," publications, WWII naval training manuals, clippings, notes, maps, and charts. Notable items include Gleason's research notes for "Justices of the Peace" and clippings from the Claremont Courier newspaper relating to World War II.