[Vaccine] Sabin, Albert. (1906–1993) Three Signed Letters Arranging Lectures in ItalyThree typed letters signed from the medical researcher to Professor Irma Antonetto of the Associazione Culturale Italiana, finalizing arrangements for a series of lectures he was to give in April and May of 1965. In the first letter (February 26, 1965; 1 pp. on A4 The Children's Hospital Research Foundation stationary), Sabin writes in part "It will, unfortunately, not be possible for me to go to Turin immediately after my arrival in Milan