1979 Jun 14 - 1984 Mar 26
Prime Ministerial Private Office files
PREM19/1624
Security (Allegations made to Kenneth Warren MP by John Kane about security standards at Government Communications Headquarters (GCHQ) establishments)
| Source: | TNA, PREM19 series |
|---|---|
| Release date: | 2014 Dec 30 |
| Classification: | |
| Page count: |