Il cerchio imperfetto lettere, 1946 - 1954 - Saba, Umberto 1883-1957; Sereni, Vittorio 1913-1983 (Archinto, 2010)
V. Sereni (1913-1983). - Contains introd. by the ed. (p. 5-22), bibl. refs., notes and name index. - Letters, partly publ. for the first time