Offene Briefe 1945-1968 - Barth, Karl , <1886-1968>. (OLS)http://semarc/name/587; Koch, Diether. (OLS)http://semarc/name/121645 (Briefe, 1984)
Keywords: Barth, Karl <1886-1968> - Lettere e carteggi. (OLS)http://semarc/subject/57271