Fonds consists of material created and accumulated mainly by Ivan W. Keffer, and some by his wife Mary L. Keffer, that documents the lives and activities of the Keffers, especially during the time they lived in Germany. Records also relate to the career of Ivan W. Keffer at the F.W. Woolworth Co. Includes diaries, correspondence, photographs, souvenir postcards and other ephemera, personal documents, reports, clippings, and other material.