UdG users
1959-08-12 Letter
1958-12 Letter
1958-12-25 Letter
s.d. Letter
1939-08-25 Letter
1940-10-10 Letter
1940-01-03 Letter
1932-10-06 Letter
1932-10-17 Letter
1934-06-10 Letter
1935-08-06 Letter
1936-06-03 Letter
1938-01-10 Letter
1938-08-17 Letter
1948-03-01 Letter
1948-03-02 Letter
1948-03-15 Letter
1949-06-16 Letter
1949-11-05 Letter
1949-11-18 Letter
1949-12-19 Letter
1950-01-09 Letter
1950-01-12 Letter
1950-01-14 Letter