1. Third report concerning the aid and comfort given by the Sanitary Commission to sick soldiers passing through Washington Author(s): Knapp, Frederick Newman, 1821-1889 Publication: [Washington, D.C.? : s.n., 1862?] Subject(s): Military HygieneMilitary PersonnelRelief WorkAmerican Civil WarUnited StatesDistrict of ColumbiaUnited States Sanitary Commission.