1. Felts, Oma, October 2, 1981 Lütjen, Hans Peter Indiana University » Center for Documentary Research and Practice » Collection: ohrc083: Hamburg University Nursing Home Study, 1981
2. Leavens, Wade, October 3, 1981 Lütjen, Hans Peter Indiana University » Center for Documentary Research and Practice » Collection: ohrc083: Hamburg University Nursing Home Study, 1981
