1. Macarthur, Anne 1
2. MacDonald, Ramsay 1, 2, 3
3. MacGibbon, James 1
4. Maclean, Donald 1, 2
5. Magdala Fortress (Ethiopia) 1, 2
7. Magner, Michael 1
8. Maisky, Ivan 1, 2, 3
9. Malcolm, General Neill 1
10. Malcolm, Thalia 1 Male, Peter 2
11. Malmesbury, Lord 1
12. Maltzan, Baron Adolf Georg Otto von 1, 2, 3, 4, 5, 6
13. Maly, Theodor 1
14. Manchester Guardian 1
15. Manson, James Bolivar 1
16. Marcus, Carl 1
17. Mariaux, Franz 1, 2, 3
18. Mariinsky Theatre (St Petersburg) 1, 2, 3, 4
19. Marshall Plan 1
20. Marshall-Cornwall, General Sir James 1
21. Masaryk, Jan 1
22. Masson, Roger 1, 2
23. Matheson, Hilda 1
24. Maxwell, Lt Col. Somerset 1
25. Maxwell, Sir Alexander 1
26. Maxwell, Susan 1
27. Menzies, Captain Stewart 1, 2, 3, 4, 5, 6, 7, 8, 9
28. Metzler, Maria 1, 2, 3
29. Meyer, Ernst 1
30. Military Training Act (1939) 1
31. Millar, Sir Frederick Hoyer 1
32. Miller, General Evgeni 1
33. Miller, Lee 1, 2
34. Milmo, Helenus 1
35. Milne, Major Tim 1, 2
36. Mir iskusstva (magazine) 1
37. Molotov, Vyacheslav 1
38. Montgomery, General Bernard 1, 2
39. Moravec, František 1, 2, 3, 4
40. Morning Post 1
41. Morton, Desmond 1, 2
42. Morz, William 1
43. Mosley, Sir Oswald 1, 2, 3
44. Mounsey, Sir George 1
45. Moyzisch, Ludwig 1
46. Mudra, General Bruno von 1
47. Muggeridge, Malcolm 1
48. Müller, Dr Joseph 1, 2
49. Munich Agreement (1938) 1, 2, 3
50. Münzenberg, Willi 1
51. Muselier, Admiral Emile 1, 2
52. Mussolini, Benito 1, 2, 3, 4
53. Muth, Olga 1
54. My Russia (book) 1
55. Myers, Julian D. 1
56. Myrdal, Gunnar 1