Contains family correspondence with transcriptions, clippings, diaries, photographs, writings, ephemera, Carte-de-Visite album, scrapbook and printed material related to Danenhower's position as navigator on the USS Jeannnette, the USS Vandalia and as a lecturer. A photoalbum belonging to Ruth Danhower Wilson, Danhower's daughter, and writings by Elizabeth Danhower, Lt. Danhower's mother are also included.