UdG users
1965-02-27 Letter
1965-01-27 Letter
1964-12-30 Letter
1964-11-24 Letter
1964-10-23 Letter
1964-08-28 Letter
1964-05-26 Letter
1963-12-28 Letter
1963-11-23 Letter
1963-10-25 Letter
1963-09-26 Letter
1963-08-24 Letter
1963-07-24 Letter
1963-06-24 Letter
1963-05-22 Letter
1963-04-23 Letter
1963-02-23 Letter
1963-01-23 Letter
1962-12-19 Letter
1962-11-23 Letter
1962-10-25 Letter
1962-09-25 Letter
1962-07-23 Letter
1962-06-09 Letter