DUGiFonsEspecials

1969-04 Letter ​

1976-02-05 Letter ​

1976-03-07 Letter ​

1976-03-23 Letter ​

1976-06-08 Letter ​

1976-07-02 Letter ​

1976-07-15 Letter ​

1976-07-19 Letter ​

1976-11-05 Letter ​

1976-12-01 Letter ​

1976-12-12 Letter ​

[1977] Letter ​

1977-02-02 Letter ​

1977-02-28 Letter ​

1977-04-01 Letter ​

1977-04-15 Letter ​

1977-05-08 Letter ​

1977-07-08 Letter ​

1977-07-10 Letter ​

1977-08-18 Letter ​

1977-08-18 Letter ​

1977-09-05 Letter ​

1978-02-09 Letter ​

[1978]-03-14 Letter ​