Security procedures in the public service.
Series: Cmnd -- 1681; Cmnd -- 1681.
Publisher: H.M.S.O.
Published: 1976
Place of publication: London [England]
Language: eng
Number of pages: 41
Subjects: Civil service -- Great Britain.; security classification (Government documents) -- Great Britain.; Great Britain -- Officials and employees.
Notes: Cover title.

"Presented to Parliament by the Prime Minister by Command of Her Majesty, April 1961."