Subseries C. Trustee Correspondence includes bound volumes of letters sent by the trustees. Additionally, unbound copies of letters written by David Pingree (1841-1932) as trustee are interfiled with correspondence received. Correspondence is organized chronologically. Letters written by David Pingree Jr.’s sisters, Anna Peabody (1839-1911) and Ann Maria Wheatland (1846-1927), of a personal nature, are included in this subseries as they pertain to estate disbursements.