Piece
Accessions administration: HW 18
Catalogue reference: PRO 57/15751
Date: 2000 Jan 1 - 2003 Dec 31
Accessions administration: HW 18
Sub-sub-series
Catalogue reference: Sub-sub-series within HW 18
This record is about the German U-boat activity and Allied countermeasuresComprised of memoranda issued by... in the series Government Code and Cypher School: Naval Section: Reports of German, Italian, French,.... It is held at The National Archives, Kew.
Sub-sub-series within HW 18
Public Record(s)
HW 18
See the series level description for more information about this record.
Records created or inherited by Government Communications Headquarters (GCHQ)
Government Code and Cypher School: Naval Section: Reports of German, Italian, French,...
German U-boat activity and Allied countermeasuresComprised of memoranda issued by Bletchley GC and CS and the Admiralty
Records that share similar topics with this record.