Subseries O. Other Family Papers contains materials from other descendants of Catherine Coolidge Lastavica. It includes correspondence, diaries, accounts, genealogical information, and appraisals. Of particular interest is a 1791 letter from the Mayor or Paris to an unidentified person, seeking financial aid to build a hospital and a copy of the Account of Charles Walter Amory’s Captivity during the Civil War. This subseries is arranged alphabetically by family member and then chronologically.