UdG users
1955-10-10 Letter
1954-10-11 Letter
1954-08-07 Letter
1953-12 Letter
1951-07-30 Letter
1950-12-12 Letter
1950-01 Letter
1948-10-26 Letter
1948-07-29 Letter
1948-02 Letter
1947-12-22 Letter
1947-10-24 Letter
1947-10-20 Letter
1947-09-11 Letter
1947-07-19 Letter
1947-04-29 Letter
1947-02 Letter
1946-10-25 Letter
1946-10-02 Letter
1946-09-11 Letter
1946-08-03 Letter
1946-07-17 Letter
1946-03-07 Letter
1946-03 Letter