Lettere (1920 - 1979) - Bargellini, Piero 1897-1980; Betocchi, Carlo 1899-1986 (Interlinea Ed., 2005)
Contains introductory texts (p. 7-22) by the editor, bibl. references, notes, name index and appendix. - Letters, mostly publ. for the first time, between P. Bargellini and Carlo Betocchi (1899-1986)