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Call Numbers (Library of Congress Classification): U

The Mountain View College Library organizes its books according to the Library of Congress (LC) Classification System. This guide will describe what each range of the LC call numbers means,

Class U -- Military Science

For military history, see D-F

U--Military science (General)

UA--Armies: Organization, distribution, military situation

UB--Military administration

UC--Maintenance and transportation


UE--Cavalry. Armor


UG--Military engineering. Air forces

UH--Other services


U1‑900--Military science (General)

U21‑22.3--War. Philosophy. Military sociology

U27‑43--History of military science


U56‑59--Army clubs

U150‑155--Military planning




U250‑255--Maneuvers (combined arms)

U260--Joint operations. Combined operations

U261--Amphibious warfare

U262--Commando tactics

U263‑264.5--Atomic warfare. Atomic weapons

U300‑305--Artillery and rifle ranges

U310‑310.2--War games

U320‑325--Physical training of soldiers

U400‑714--Military education and training

U750‑773--Military life, manners and customs, antiquities, etc.

U799‑897--History of arms and armor

UA10‑997-- Armies: Organization, distribution, military situation

UA21‑885--By region or country


UA920‑925--Plans for attack and defense

UA926‑929--Civil defense

UA929.5‑929.95--War damage in industry. Industrial defense

UA940‑945--Military communication

UA950‑979--Routes of travel. Distances

UA985‑997--Military geography

UB1‑900--Military administration

UB160‑165--Records, returns, muster rolls, etc.

UB170‑175--Adjutant generals' offices

UB180‑197--Civilian personnel departments



UB275‑277--Psychological warfare. Propaganda

UB320‑338--Enlistment, recruiting, etc.

UB340‑345--Compulsory service. Conscription and exemption

UB356‑369.5--Provision for veterans

UB370‑375--Military pensions, etc.

UB380‑385--Soldiers' and sailors' homes

UB407‑409--Warrant officers. Noncommissioned officers


UB416‑419--Minorities, women, etc. in armed forces


UB440‑449.5--Retired military personnel

UC10‑780--Maintenance and transportation

UC20‑258--Organization of the service. By region or country

UC260‑267--Supplies and stores


UC400‑440--Barracks. Quarters. Camps

UC460‑535--Clothing and equipment

UC540‑585--Equipage. Field kits

UC600‑695--Horses. Mules. Remount service



UD157‑302--Tactics. Maneuvers. Drill regulations

UD320‑325--Manual of arms

UD330‑335--Firing. Military sharpshooting

UD340‑345--Bayonet drill

UD380‑425--Small arms. Swords, etc.

UD450‑455--Mounted infantry

UD460‑464--Mountain troops

UD470‑475--Ski troops

UD480‑485--Airborne troops. Parachute troops

UD490‑495--Airmobile operations

UE1‑500--Cavalry. Armor

Including horse cavalry, armored cavalry, mechanized cavalry

UE144‑145--Horse cavalry

UE147--Armored cavalry

UE157‑302--Tactics. Maneuvers. Drill regulations

UE420‑425--Cavalry sword exercises



UF157‑302--Tactics. Maneuvers. Drill regulations

UF400‑405--Field artillery

UF450‑455--Seacoast artillery

UF460‑465--Siege artillery

UF470‑475--Howitzer artillery. Mortar batteries

UF480‑485--Garrison artillery

UF500‑515--Weapons systems

UF520‑537--Ordnance and small arms

UF540‑545--Arsenals, magazines, armories, etc.

UF560‑780--Ordnance material (Ordnance proper)

UF820‑830--Ballistics. Velocities and motions of projectiles

UF848‑856--Artillery instruments. Fire control, etc.

UG1‑620--Military engineering

UG160‑302--Tactics and regulations



UG360‑390--Field engineering


UG443‑449--Attack and defense. Siege warfare

UG470‑474--Military surveying, topography, and mapping

UG490--Land mines, etc.

UG500‑565--Technical troops and other special corps

UG570‑582--Military signaling

UG590‑613.5--Military telegraphy and telephony

UG614‑614.5--Military electric lighting

UG615‑620--Military motor vehicles

UG622‑1435--Air forces. Air warfare

UG633‑635--By region or country

UG637‑639--Education and training

UG640‑645--Military aeronautical research


UG730‑735--Air defenses

UG760‑765--Aerial reconnaissance

UG770‑1045--Organization. Personnel management

UG1097--Air bases

UG1100‑1435--Equipment and supplies

UG1500‑1530--Military astronautics. Space warfare. Space surveillance

UG1523‑1525--By region or country

UH20‑910--Other services


UH201‑515--Medical and sanitary services

UH520‑(560)--Care of sick and wounded. Relief societies

UH600‑629.5--Military hygiene and sanitation

UH700‑705--Public relations. Press. War correspondents

UH750‑769--Military social work. Social welfare services

UH800‑910--Recreation and information services

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