Acknowledgements
All references are from The National Archives:
HO 64/3/130: Catherine Elmes
CRIM 1/29/6: James White
CRIM 1/37/1: Owen Leonard
CRIM 1/37/6: John Noble
CRIM 1/38/3: Walter Hosler
HO 144/543/A54575: Walter Hosler
CRIM 1/41/4: Reginald Saunderson
CRIM 1/108/7: Alice Jane Money
CRIM 1/113/5: Madan Lal Dhingra
MEPO 3/2688: Frances Buxton
CRIM 1/200/4: Ronald True
DPP 1/71: Ronald True
HO 45/25421: Ronald True
HO 144/2568: Ronald True
MEPO 3/1572: Ronald True
CRIM 1/748: George Frank Harvey
DPP 2/238: George Frank Harvey
HO 144/19912: George Frank Harvey
HO 144/19913: George Frank Harvey
MEPO 3/1696: George Frank Harvey
DPP 2/900: Harold Dorian Trevor
DPP 2/949: Harold Dorian Trevor
HO 144/21586: Harold Dorian Trevor
MEPO 3/2194: Harold Dorian Trevor
PCOM 9/2099: Harold Dorian Trevor
CRIM 1/1928: George Cyril Epton
DPP 2/1738: George Cyril Epton
DPP 2/1755: George Cyril Epton
MEPO 3/3007: George Cyril Epton
PCOM 8/2136: George Cyril Epton
CRIM 1/1836: Thomas John Ley and Lawrence John Smith
DPP 2/1579: Ley and Smith
DPP 2/1609: Ley and Smith
DPP 2/1840: John George Haigh
HO 45/23633: John George Haigh
HO 45/23634: John George Haigh
MEPO 3/3128: John George Haigh
PCOM 9/818: John George Haigh
CRIM 1/2252: Dennis George Muldowney
DPP 2/2169: Dennis George Muldowney
PCOM 9/1634: Dennis George Muldowney
CRIM 1/2428: Kenneth Gilbert & Ian Arthur Grant
DPP 2/2336: Gilbert and Grant
MEPO 2/9543: Gilbert and Grant
CRIM 1/3246: Guenther Fritz Erwin Podola
DPP 2/2979: Guenther Podola
HO 291/245: Guenther Podola
MEPO 2/9896: Guenther Podola
CRIM 1/4013: Marilyne Anne Bain
DPP 2/3535: Marilyne Anne Bain
CRIM 1/4885: Robert Lipman
DPP 2/4443: Robert Lipman