| Description | /1. RD, lectures correspondence; 1975 - 1978
/2. RDG, American address lists; 1975
/3. RD, correspondence from Framingham students; 1975
/4. RD, possible lectures in UK correspondence; 1975
/5. RD, personal correspondence; 1975 - 1976
/6. RD, personal correspondence by addressee, S - Z; 1975 |