Briefe 1961-1968 - Barth, Karl, 1886-1968. (OLS)http://ftis/name/51150; Stoevesandt, Hinrich. (OLS)http://ftis/name/59462; Fangmeier, Jürgen. (OLS)http://ftis/name/59461 (5 Briefe, 1979)
In sovraccoperta: 6