Army lists

Good armies

Army of Lake-town Hobbit p. 44
Army of Thrór Hobbit p. 18
Arnor LoTR p. 56
Erebor Reclaimed Hobbit p. 36, DotN p. 58
Fangorn LoTR p. 90, WiR p. 66
Garrison of Dale Hobbit p. 56, DotN p. 52
Halls of Thranduil Hobbit p. 70, DotN p. 64
Lothlórien LoTR p. 82, WiR p. 64, DotN p. 62
Minas Tirith LoTR p. 32, GaW p. 76
Númenor LoTR p. 28
Radagast's Alliance Hobbit p. 78
Rivendell Hobbit p. 60, LoTR p. 72
Rohan LoTR p. 60, WiR p. 60, GaW p. 82
Survivors of Lake-town Hobbit p. 48
The Dead of Dunharrow LoTR p. 52, GaW p. 86
The Fellowship LoTR p. 8, QotR p. 79
The Fiefdoms LoTR p. 46, GaW p. 80
The Iron Hills Hobbit p. 26
The Kingdom of Khazad-Dûm LoTR p. 96
The Kingdom of Moria LoTR p. 96
The Misty Mountains LoTR p. 94, Hobbit p. 82
The Rangers LoTR p. 24
The Shire LoTR p. 16, SoS p. 46
The White Council Hobbit p. 84
Thorin's Company Hobbit p. 8
Wanderers in the Wild LoTR p. 18, Hobbit p. 88, QotR p. 84
Wildmen of Drúadan LoTR p. 70
Legendary Legions
Breaking of the Fellowship QotR p. 94
Defenders of Erebor DotN p. 89
Defenders of Helm's Deep WiR p. 80
Defenders of the Shire SoS p. 58
Helm's Guard WiR p. 128
Paths of the Drúadan WiR p. 88
Rangers of Ithilien GaW p. 102, QotR p. 96
Riders of Éomer WiR p. 86
The Army of Dale DotN p. 87
The Beornings DotN p. 90
The Grey Company GaW p. 104
The Men of the West GaW p. 110
The Return of the King GaW p. 106
The Riders of Théoden GaW p. 108
Théodreds Guard WiR p. 84