The collections contains correspondence and diaries of the Helmick Family. The correspondence consists of letters sent by David Helmick to his family. The letters and diary pages describe his life in the military including his time during the Spanish American War. Some of the letters are incomplete. Also in the collection is a letter from Harry E. Helmick to his brother and a letter from his son, Harry Mortimer Helmick, to his sister. The letter was written five days before he passed away in Verdun, France during World War I.