UdG users
1949-12-22 Letter
[s.d.] Letter
1972-07-08 Letter
[19??]-03-09 Letter
[19??]-11-20 Letter
1971-12 Letter
[19??]-04-05 Letter
1972-08-24 Letter
[1906-1943] Letter
1973-04-04 Letter
1971-06-28 Letter
1971-12-21 Letter
[1941] Letter
[1927]-06-18 Letter
1921-09-17 Letter
1972-02-15 Letter
1951-07-12 Letter
[19??]-06-16 Letter