| Collection | GB 0231 University of Aberdeen, Special Collections |
| Level | Sub-series |
| Ref No | MS 3682/4/3 |
| Title | 'General correspondence' |
| Date | 1960s - 1980s |
| Extent | 35 boxes |
| Description | Deatailed, general and on-going professional correspondence with colleagues and professional associations, late 1960s - 1990s. |
| Arrangement | The files are arranged alphabetically, by correspondent. No files containing letters from correspondents beginning with 'A' were found. These may have been lost or destroyed in the intervening years between Kosterlitz's death and the transfer of his papers to the University Archives. |
| Access Status | Restricted |
| Access Conditions | Most files in the sub-series are open, but some remain closed to inspection or have access restrictions, in compliance with data protection legislation. |
| Related Material | See also MS 3682/4/4 for on-going correspondence of a very general nature and MS 3682/4/5 for correspondence with drug and instrument companies. |