UdG users
1942-04-15 Letter
1949-02-14 Letter
1949-11-10 Letter
1949-11-23 Letter
1952-02-25 Letter
1952-10-18 Letter
1952-10-24 Letter
1953-11-10 Letter
1955 Carta
1955-08-06 Letter
1955-11-18 Letter