Contains the following types of materials: correspondence, diary / journal. Contains information pertaining to the following war: Civil War. Contains information pertaining to the following military units: 142nd Pennsylvania (PA) Infantry Regiment; Springfield Light Battery, Illinois Light Artillery; 171st PA Infantry Regiment, Company E; 85th PA Volunteers, Company D; 142nd PA Infantry Regiment, Company C. General description of the collection: The Ronn Palm papers include copy of diary, 1865, 142nd PA Infantry Regiment; letters, 1862-1865, Springfield Light Battery (Illinois Light Artillery); diary, 1862-1863, 171st PA Infantry Regiment, Company E; letters, 1861-1864, 85th PA Infantry Regiment, Company D; pension correspondence, 85th PA Volunteers, Company D; and copy of diary, 1864, 142nd PA Infantry Regiment, Company C.