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LC Classification: U

A breakdown of the Library of Congress Classification system

U - Overview

U - Military science (General)

UA - Armies: Organization, distribution, military situation

UB - Military administration

UC - Maintenance and transportation

UD - Infantry

UE - Cavalry. Armor

UF - Artillery

UG - Military engineering. Air forces

UH - Other services

For Further Details

For more detailed information, visit the Library of Congress Classification Outline.

U - Military Science

U - Military science (General)

  • U21-22.3 War. Philosophy. Military sociology
  • U27-43 History of military science
  • U150-155 Military planning
  • U161-163 Strategy
  • U164-167.5 Tactics
  • U250-255 Maneuvers (combined arms)
  • U300-305 Artillery and rifle ranges
  • U320-325 Physical training of soldiers
  • U400-714 Military education and training
  • U799-897 History of arms and armor

UA - Armies: Organization, distribution, military situation

  • UA21-885 By region or country
  • UA910-915 Mobilization
  • UA926-929 Civil defense
  • UA940-945 Military communication
  • UA950-979 Routes of travel. Distances

UB - Military administration

  • UB160-165 Records, returns, muster rolls, etc.
  • UB250-271 Intelligence
  • UB275-277 Psychological warfare. Propaganda
  • UB356-369.5 Provision for veterans
  • UB370-375 Military pensions, etc.
  • UB416-419 Minorities, women, etc., in armed forces

UC - Maintenance and transportation

  • UC20-258 Organization of the service. By region or country
  • UC270-360 Transportation
  • UC400-440 Barracks. Quarters. Camps
  • UC460-535 Clothing and equipment
  • UC700-780 Subsistence

UD - Infantry

  • UD157-302 Tactics. Maneuvers. Drill regulations
  • UD330-335 Firing. Military sharpshooting
  • UD380-425 Small arms. Swords, etc.
  • UD450-455 Mounted infantry
  • UD480-485 Airborne troops. Parachute troops

UE - Cavalry. Armor

  • UE144-145 Horse cavalry
  • UE147 Armored cavalry
  • UE157-302 Tactics. Maneuvers. Drill regulations
  • UE460-475 Horses

UF - Artillery

  • UF157-302 Tactics. Maneuvers. Drill regulations
  • UF400-405 Field artillery
  • UF450-455 Seacoast artillery
  • UF480-485 Garrison artillery
  • UF500-515 Weapons systems
  • UF560-780 Ordnance material (Ordnance proper)
  • UF820-830 Ballistics. Velocities and motions of projectiles

UG - Military engineering. Air forces

  • UG1-620 Military engineering
    • UG160-302 Tactics and regulations
    • UG360-390 Field engineering
    • UG470-474 Military surveying, topography, and mapping
    • UG570-582 Military signaling
  • UG622-1435 Air forces. Air warfare
    • UG700-705 Tactics
    • UG730-735 Air defenses
    • UG770-1045 Organization. Personnel management
    • UG1100-1435 Equipment and supplies
  • UG1500-1530 Military astronautics. Space warfare. Space surveillance

UH - Other services

  • UH20-25 Chaplains
  • UH201-515 Medical and sanitary services
  • UH520-560 Care of sick and wounded. Relief societies
  • UH700-705 Public relations. Press. War correspondents
  • UH750-769 Military social work. Social welfare services
  • UH800-910 Recreation and information services