Title
Copies of PH Marychurch's, Director of GCHQ, letter to staff of 19 March.
Dates
23 March 1987
Date the commitment to deposit the paper was made
28 March 1984
Date the paper was written
23 March 1987
Date the Libraries received the paper
Deposited by
Current or past government departments or organisations that deposited the paper in the Libraries.
Foreign and Commonwealth Office
Corporate authors
Organisations who have authored the documents.
Foreign and Commonwealth Office
Government Communications Headquarters