Read The Defence of the Realm Online
Authors: Christopher Andrew
119
 Possibly misled by the Home Secretary's statement on 5 August that the arrests had already been carried out, Steinhauer believed they must have taken place before Britain's declaration of war.
120
 Steinhauer,
Steinhauer
,
p. 37
.
121
 Holt-Wilson, âSecurity Intelligence in War', 1934,
p. 17
, IWM Kell MSS.
122
 Trumpener, âWar Premeditated? German Intelligence Operations in July 1914',
pp. 58
â
85
.
123
 Nicolai,
Nachrichtendienst, Presse, und Volksstimmung im Weltkrieg
; English trans.: Nicolai,
German Secret Service
,
pp. 52
â
4
.
Chapter 2: The First World War:
Part 1 â The Failure of German Espionage
1
 According to Thomson, âThroughout the War the Special Branch was combined with the Criminal Investigation Department'; Thomson,
Queer People
,
p. 47
. The size of the Special Branch early in the war is given in a minute of 20 Nov. 1914; TNA MEPO 2/1643/ON 856720. Thomson said later that during the war, âSpecial Branch and the Central Branch of the CID were combined,'
Morning Post
, 24 April 1919.
2
 Thomson,
Queer People
,
pp. 36
â
7
. Andrew,
Secret Service
,
pp. 264
â
7
.
3
Â
Parl. Deb. (Commons)
, 5 Aug. 1914.
5
 Security Service Archives.
6
 Security Service Archives.
7
 Bird, âControl of Enemy Alien Civilians'.
8
 Kell's mobilization orders, dated 4 August 1914, âas an attached officer at the War Office' and his 5 August 1914 appointment as a general staff officer (GSO2) and âcompetent military authority' have been preserved in his record of service in Security Service files.
9
 âHistorical Sketch of the Directorate of Military Intelligence during the Great War of 1914â1919', TNA WO 32/10776.
10
 âThe Women's Staff',
p. 26
, TNA KV 1/50.
11
Â
The Times
, 15 Oct. 1915.
12
 Security Service Archives.
13
Â
Le Queux, German Spies in England
.
14
 Hazlehurst,
Politicians at War
,
p. 146
. Gillman,
Collar the Lot
,
p. 10
. Over the next thirty years Simon became home secretary (twice), foreign secretary, chancellor of the exchequer and lord chancellor.
15
 In 1915, there were also sixty-three departures (twenty-one male, forty-two female). Security Intelligence Service Seniority List and Register of Past and Present Members, December 1919.
16
 âOutbursts from Waterloo[se] House', printed for private circulation, 1917.
17
 Security Service Archives.
18
 Security Service Archives. Hinchley Cooke's alertness to the use of secret inks probably derived from his scientific education in Germany which, Kell believed, was âof special value in the detection of enemy agents'. Though no details survive of which cases Hinchley Cooke helped to resolve, Sir Archibald Bodkin, the main prosecutor in espionage trials and courts martial (later DPP), paid tribute to the importance of his âtranslation and examination of numerous documents in foreign languages and in code and occasionally in “secret inks” '. Security Service Archives.
19
 Security Service Archives.
20
 Lady Kell, âSecret Well Kept',
pp. 110
,
122
, IWM. Interwar MI5 Who's Who.
21
 âHistorical Sketch of the Directorate of Military Intelligence during the Great War of 1914â1919', TNA WO 32/10776.
22
 Dansey to Major Van Deman (US military intelligence), 1 May 1917; lecture by Dansey, 4 May 1917, NAW RG 165, 9944âAâ4/5.
23
 F Branch Report, part II, ch. 5, section XVII,
pp. 116
â
20
, TNA KV 1/35.
24
 Ibid. The secret MI5 classification handbook added:
It will be appreciated that an actively hostile person may fall under several of the above special classifications. Such cases are designated thus: e.g. Class: SI/BL. BEFHKJ France. To a Special Intelligence Officer who has memorized the standard classifications this abbreviation conveys the following information:
âIs considered an enemy (prefixed BL [Black List]); already expelled from allied territory during the war (B); considered an active enemy agent (E); who has been known to carry false papers (F); is suspected of trading with the enemy (H); was formerly a German official (K); and French S.I. is anxious to hear of his present whereabouts and actions (J).'
MI5f, âNotes on Preventive Intelligence Duties in War', April 1918; copy in NAW RG 165 11013â21.
25
 F Branch Report, part II , ch. 5, section XVII,
p. 118
, TNA KV 1/35.
26
 Security Service Archives.
27
 âReport on Women's Work', 1920,
p. 26
, TNA KV 1/50.
28
 Ibid.
29
 Ibid.,
p. 13
. Three of MO5(g)'s seven clerks at the outbreak of war had been male.
31
 Security Service Archives.
32
 Their names and dates of service appear in Security Intelligence Service Seniority List and Register of Past and Present Members, December 1919.
33
 Of Miss Lomax and the transformation she wrought in the Registry Constance Kell wrote: âMiss Lomax was for many years the head of this section and her work was so excellent that Kell could rest assured that whatever she and those working with her, and under her, were asked to do, would be quickly and eagerly carried out.' Lady Kell, âSecret Well Kept',
p. 148
, IWM.
34
 Security Service Archives.
35
 H Branch History, ch. 2,
p. 38
, TNA KV 1/49.
36
 Security Service Archives.
37
 âReport on Women's Work', 1920,
p. 54
, TNA KV 1/50.
38
 Security Service Archives.
39
 Like most officer recruits, Marsh, who joined MO5(g) in May 1915, was also fond of sports and outdoor pursuits, listing his recreations as polo, shooting, fishing, golf and lawn tennis. Security Service Archives.
41
 âReport on Women's Work', 1920,
p. 19
, TNA KV 1/50.
43
 âHistorical Sketch of the Directorate of Military Intelligence during the Great War of 1914â1919', TNA WO 32/10776.
44
 Unpublished Hall memoirs (ghostwritten by Ralph Strauss), draft Chapter C, CCAC HALL 3/2. Hall claimed he had been responsible for persuading Asquith to found the War Trade Intelligence Department (later subsumed by the Ministry of Blockade) whose first head was Freddie Browning.
45
 âHistorical Sketch of the Directorate of Military Intelligence during the Great War of 1914â1919', TNA WO 32/10776. For details of wartime censorship, see TNA KV 1/73â4.
46
 Boghardt,
Spies of the Kaiser
,
pp. 89
â
90
.
47
 âLody, Carl Hans @ Inglis, Charles A', âGame Book', vol. 1: 1909â1915, TNA KV 4/112.
48
 Boghardt,
Spies of the Kaiser
,
pp. 98
,
102
.
49
 Hiley, âCounter-Espionage and Security in Great Britain during the First World War',
p. 639
.
51
 Lady Kell, âSecret Well Kept',
p. 144
, IWM. Thomson,
Queer People
,
pp. 122
â
6
. Felstead,
German Spies at Bay
, ch. 3.
52
 Lady Kell, âSecret Well Kept',
p. 150
, IWM.
53
 F. B. Booth (MO5(g)), memo for Kell, 27 July 1915, TNA HO 45/10741/263275. Carsten,
War against War
,
p. 56
.
54
 Boghardt,
Spies of the Kaiser
,
p. 106
.
56
 G Branch Report for 1915,
pp. 59ff
., TNA KV 1/42. Boghardt,
Spies of the Kaise
r,
pp. 106
â
7
.
57
 âKupferle, Anthony', âGame Book', vol. 1: 1909â1915, TNA KV 4/112.
58
 Thomson,
Queer People
,
pp. 126
â
9
. Felstead,
German Spies at Bay
, ch. 3.
60
 âMuller, Carl Friedrich Heinrich @ Leidec [and] Hahn, John', âGame Book', vol. 1: 1909â1915, TNA KV 4/112. Dr Boghardt's researches identify Müller as a Baltic German. Boghardt,
Spies of the Kaiser
,
p. 96
.
61
 W. E. Hinchley Cooke to DG (Petrie), âMotor-car purchased by MI5 out of German Secret Service Funds during the 1914â18 War', 29 June 1943, TNA KV 4/200.
62
 Though Müller's MI5 file was destroyed after the war, summaries of the bogus reports sent in his name survive in German archives: RW 5/v. 48 â Geheimer Nachrichtendienst und Spionageabwehr des Heeres â von Generalmajor z.V. Gempp (1939), 8. Abschnitt: Die Ergebnisse das Nachrichtendienstes der mobilen Abt Illb in westen vom Fruhjahr 1915 bis Ende 1916, IV: Die Kriegsnachrichtenstelle Antwerpen Anlage 5: Meldungen der Kriegsnachrichtenstelle Antwerpen vom 25.3.15â14.6.15, Bundesarchiv Militararchiv, Freiburg. I am grateful to Dr Emily Wilson for this reference.
63
 Wilson, âWar in the Dark',
pp. 118
â
19
.
64
 âMuller, Carl Friedrich Heinrich @ Leidec [and] Hahn, John', âGame Book', vol. 1: 1909â1915, TNA KV 4/112.
65
 RW 5/v. 48 â Geheimer Nachrichtendienst und Spionageabwehr des Heeres â von Generalmajor z.V. Gempp (1939), 8. Abschnitt: Die Ergebnisse das Nachrichtendienstes der mobilen Abt Illb in westen vom Fruhjahr 1915 bis Ende 1916, IV: Die Kriegsnachrichtenstelle Antwerpen Anlage 5: Meldungen der Kriegsnachrichtenstelle Antwerpen vom 25.3.15â14.6.15, Bundesarchiv Militararchiv, Freiburg.
66
 W. E. Hinchley Cooke to DG (Petrie), âMotor-car purchased by MI5 out of German Secret Service Funds during the 1914â18 War', 29 June 1943, TNA KV 4/200.
67
 âThe Secret Services: Inquiry by the Minister without Portfolio [Lord Hankey]. Second Report dealing with the Security Service (MI5)', Jan.âMay 1940, TNA CAB 127/383.
68
 W. E. Hinchley Cooke to DG (Petrie), âMotor-car purchased by MI5 out of German Secret Service Funds during the 1914â18 War', 29 June 1943, TNA KV 4/200.
69
 See below,
pp. 248
â
50
,
253
.
70
 âRosenthal, Robert @ Berger, Harry B.', âGame Book', vol. 1: 1909â1915, TNA KV 4/112. Draft History of G Branch, vol. 4,
pp. 111ff
., TNA KV 1/42.
71
 Felstead,
German Spies at Bay
,
pp. 44
â
56
. Felstead appears to have had access to MI5 as well as Special Branch reports when writing his book. Drake later told Hall, âB[asil] T[homson] gave him my reports to read, I understand.' Drake to Admiral Hall, 1 Nov. 1932, CCAC HALL 1/3.
72
 Boghardt,
Spies of the Kaiser
,
p. 115
.
73
 Felstead,
German Spies at Bay
,
p. 56
.
74
 Security Service Archives.
75
 â(i) Janssen, Haicke Marinus Petrus (ii) Roos, Willem Johannes', âGame Book', vol. 1: 1909â1915, TNA KV 4/112. âPrincipal German Espionage Agents captured in the United Kingdom by M.I.5, 1909 to 1919', May 1919, TNA KV 4/114.
76
 Commandant Hue, head of the French mission at the Bureau Central Interallié, complained in 1917 that âUp to now, attempts at establishing [intelligence] liaison with allied armies seem to have produced few results.' Aubin, âFrench Counterintelligence and British Secret Intelligence in the Netherlands',
p. 19
.
77
 Major General Sir Walter Kirke diary, 15 June 1915, IWM.
78
 Felstead,
German Spies at Bay
, ch. 4. Lady Kell, âSecret Well Kept',
p. 154
, IWM.
79
 Andrew,
Secret Service
,
pp. 133
,
221
.
80
 âMarks, Josef @ Multer, Josef Marks', âGame Book', vol. 2: 1916[sic]â1937, TNA KV 4/113. âPrincipal German Espionage Agents captured in the United Kingdom by M.I.5, 1909 to 1919', May 1919, TNA KV 4/114.
81
 Albert Meyer, Frank Greite, Mrs Albertine Stanaway, Leopold Vieyra. âPrincipal German Espionage Agents captured in the United Kingdom by M.I.5, 1909 to 1919', May 1919, TNA KV 4/114. âGame Book', vol. 2: 1916â1937, TNA KV 4/113.