UdG users
1951-02-04 Carta
1951-02-21 Letter
1951-02-28 Letter
1951-03-08 Letter
1951-03-23 Carta
1951-04-04 Letter
1954-10-11 Letter
1954-11-22 Letter
1954-12-29 Letter
1955-01-07 Letter
1955-10-28 Carta
1955-11-14 Letter