UdG users
1984-10-20 Letter
1983-09-16 Letter
1983-05-09 Letter
1982-12-28 Letter
1981-10-31 Letter
1981-03-08 Letter
1980-08-07 Letter
1980-06-24 Letter
1979-12-12 Letter
1971-09-01 Letter
s.d. Letter
1969-04-17 Letter
1967-01-09 Letter
1966-01-01 Letter
1964-12-29 Letter
1961-05-04 Letter
1960-11-18 Letter
1959-08-31 Letter
1959-08-13 Letter
1959-05-19 Letter
1959-04-18 Letter
1959-01-28 Letter
1958-12-14 Letter