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UMM Home > Library Home > About the Library > Government Publications > Finding Government Information > Government Documents Classification

Government Documents Classification (Sudoc)


SuDocs Numbers

Collections of U.S. government publications are usually shelved according to a classification system developed by the U.S. Superintendent of Documents. Like Library of Congress call numbers, SuDocs numbers also begin with letters of the English alphabet. The letters stand for the name of the issuing agency. For example:

C 61.34:987

In the example given above:

C represents the issuing agency (Commerce Department)
61. indicates the subordinate bureau within the issuing agency (International Trade Administration)
34: is the number of the specific publication (U.S. Industrial Outlook)
987 indicates the year of publication (1987)

Commonly used SuDocs prefixes:

A - Agriculture Department
C 3. - Census Bureau
D- Defense Department
E - Energy Department
ED - Education Department
GA - General Accounting Office
GS - General Services Administration
HE - Health and Human Services Department
HS - Department of Homeland Security
I - Interior Department
I 19. - U.S. Geological Survey
J - Justice Department
Ju - Judiciary
L - Labor Department
LC - Library of Congress
NAS - National Aeronautics and Space Administration
S - State Department
SI - Smithsonian Institution
T 22. - Internal Revenue Service (Treasury Department)
X, Y - Congress
Y 4. - Congressional Committees


Departments and Corresponding Agencies:

A--Agriculture Department: Forest Service; National Agriculture Library; Office of Communications; Extension Service; Personnel Office; Natural Resources Conservation Service; Federal Crop Insurance Corporation; Foreign Agricultural Service; Rural Utilities Service; Agricultural Research Service; Agricultural Stabilization and Conservation Service; Commodity Credit Corporation; Agricultural Marketing Service; National Agricultural Statistics Service; Economic Research Service; Cooperative State Research, Education and Extension Service; Food and Consumer Service; Animal and Plant Health Inspection Service; Federal Grain Inspection Service; Office of Congressional Relations; Rural Business/Cooperative Service; Food Safety and Inspection Service; Farm Service Agency; Grain Inspection, Packers and Stockyards Administration.
AC--Arms Control and Disarmament Agency
AE--National Archives and Records Administration: Federal Register Office.
C--Commerce Department: Minority Business Development Agency; Census Bureau; National Institute of Standards and Technology (NIST); Patent and Trademark Office; Economic Development Administration; National Technical Information Service; National Oceanic and Atmospheric Administration (NOAA); National Weather Service; National Meteorological Center; National Environmental Satellite, Data, and Information Service; National Climatic Data Center; National Oceanographic Data Center; National Marine Fisheries Service; National Ocean Service; Environmental Research Laboratories; Oceanic and Atmospheric Research Office; Economic Analysis Bureau; National Telecommunications and Information Administration; International Trade Administration; Bureau of Export Administration.
CC--Federal Communications Commission
CR--Civil Rights Commission
D--Defense Department: American Forces Information Service; Joint Chiefs of Staff; Defense Information Systems Agency; Defense Intelligence Agency; National Imagery And Mapping Agency (Formerly Defense Mapping Agency); National Defense University; Defense Logistics Agency; Defense Technical Information Center; National Guard Bureau; Defense Special Weapons; Army Department; Adjutant General's Office (Army); Engineers Corps (Army); Army Medical Department; Publications Relating to Ordinance (Army); Quartermaster General of the Army; Judge Advocate General's Office (Army); Military Academy West Point; Army Command and General Staff College; Army Electronics Research and Development Command; Military History Center; Chemical Corps; U.S. Army Air Mobility Research and Development Command; Provost Marshall General (Army); Navy Department; Naval Air Systems Command; Naval Oceanographic Office; Office of Civilian Personnel; Judge Advocate General (Navy); Medicine and Surgery Bureau (Navy); Naval Operations Office; Naval Education and Training Command; Chief of Naval Reserve; Naval Military Personnel Command; Naval Academy; Naval War College, Newport; Naval Facilities Engineering Command; Naval Research Office; Naval Sea Systems Command; Naval Supply Systems Command; Naval Observatory; Marine Corps; Naval Ordnance Systems Command; Military Sealift Command; Naval Meteorology and Oceanography Command; Naval Electronics Systems Command; Naval Historical Center; Air Force Department; Judge Advocate General of Air Force; Administrative Services (Air Force), Air Force Office Medical Support, Air Force Academy.
E--Energy Department: Federal Energy Regulatory Commission; Energy Information Administration; Economic Regulatory Administration; Bonneville Power Administration; Western Area Power Administration; Alaska Power Administration; Southeaster Power Administration.
ED--Education Department: National Center for Educational Statistics; Special Education And Rehabilitative Services Office; Educational Research and Improvement Office; Elementary and Secondary Education Office; Presidential Scholars Commission.
EP--Environmental Protection Agency: Water Office; Air Quality Planning and Standards Office; Office of Prevention, Pesticides and Toxic Substances; Radiation and Indoor Air; Technology Transfer; Wetlands, Oceans and Watersheds Office.
FA--Fine Arts Commission
FCA--Farm Credit Administration
FEM--Federal Emergency Management Agency: United States Fire Administration; Federal Insurance Administration.
FHF--Federal Housing Financing Board
FM--Federal Mediation and Conciliation Service
FMC--Federal Maritime Commission
FR--Federal Reserve System Board of Governors
FT-- Federal Trade Commission
FTZ--Foreign-Trade Zones Board
GA--General Accounting Office: Personnel Appeals Board.
GP--Government Printing Office: Superintendent of Documents.
GS--General Services Administration: Federal Supply Service; Public Buildings Service; Consumer Information Center; Information Resources Management Service.
HE--Health and Human Services Department: Consumer Affairs Office; Aging Aging Administration; Social Security Administration; Public Health Service; President's Council on Physical Fitness and Sports; National Center for Health Care Technology; Indian Health Service; Substance Abuse and Mental Health Services Administration; Toxic Substances and Disease Registry Agency; National Institutes of Health; National Cancer Institute; National Heart, Lung, and Blood Institute; National Institute of Allergy and Infectious Diseases; National Institute of Diabetes and Digestive And Kidney Diseases; National Institute of Child Health and Human Development; National Institute of Dental Research; National Institute of General Medical Sciences; National Institute of Neurological Disorders and Stroke, National Institute of Environmental Health Sciences; National Library of Medicine; John E. Fogarty International Center for Advanced Study in the Health Sciences; National Eye Institute; National Institute on Aging; National Institute of Arthritis and Musculoskeletal and Skin Disease; National Institute on Drug Abuse; Food and Drug Administration; Center for Veterinary Medicine; Center for Food Safety and Applied Nutrition; Center for Devices and Radiological Health; Center for Drug Evaluation and Research; Center for Biologics Evaluation and Research; Quality Assurance Bureau; National Center for Health Statistics; Health Care Policy and Research Agency; Centers for Disease Control and Prevention; National Institute foe Occupational Safety and Health; National Center for HIV, STD and TB Prevention; National Center for Environmental Health; National Center for Chronic Disease Prevention and Health Promotion; National Center for Infectious Diseases; Toxic Substances and Disease Registry Agency; National Center for Injury Prevention and Control; National Immunization Program; Substance Abuse and Mental Health Services Administration; National Institute of Mental Health; National Institute on Drug Abuse; National Institute on Alcohol Abuse and Alcoholism; Health Resources and Services Administration; Primary Health Care Bureau; Maternal and Child Health Bureau; Bureau of Health Professions; Health Resources Development Bureau; Health Care Financing Administration; Medicaid Bureau; Health Standards and Quality Bureau; Program Operations Bureau; Data Management and Strategy Bureau; President's Committee on Mental Retardation; Children, Youth and Families Administration; Head Start Bureau; Children's Bureau; Family and Youth Service Bureau; Native Americans Administration; Developmental Disabilities Administration; Child Support Enforcement Office; Administration for Children and Families.
HH--Housing and Urban Development: Federal Housing Administration; New Communities Administration; Multi-Family Housing Office.
HS--Department of Homeland Security: U.S. Coast Guard; US Secret Service; Bureau of Citizenship and Immigration Services; Office of State and Local Government Coordination; Office of Private Sector Liaison; Office of Inspector General; Management; Information Analysis and Infrastructure Protection; Science and Technology; Emergency Preparedness and Response; Border and Transportation Security.
I--Interior Department: Geological Survey; Biological Resources Division; Indian Affairs Bureau; Natural Resources Library; Reclamation Bureau; Mines Bureau; National Park Service; Geographic Names Board; Fish and Wildlife Service; Land Management Bureau; Surface Mining Reclamation and Enforcement Office; Minerals Management Service.
IA--U.S. Information Agency
IC--Interstate Commerce Commission
ITC--International Trade Commission
J--Justice Department: Federal Bureau of Investigation; Prisons Bureau; National Institute Of Corrections; Immigration and Naturalization; Community Relations Service; Drug Enforcement Administration; Marshals Service; Justice Assistance Bureau; United States Parole Commission; National Institute of Justice; Justice Statistics Bureau; Executive Office of United States Attorneys; Juvenile Justice and Delinquency Prevention Office; Office of Attorney Personnel Management; Violence Against Women Office.
JU--Judiciary: U.S. Circuit Court of Appeals; U.S. Court of Federal Claims; Supreme Court; U.S. Court of Appeals for the Federal Circuit; United States Court of International Trade; Administrative Office of U.S. Courts; Tax Court; Federal Judicial Center; United States Bankruptcy Court; United States Court of Veterans Appeals.
L--Labor Department: Labor Statistics Bureau; Solicitor of Labor Department; Veterans' Reemployment Rights Office; Employees Compensation Appeals Board; International Labor Affairs Bureau; Occupational Safety and Health Administration; Employment Standards Administration; Women's Bureau; Wage and Hour Division; Worker's Compensation Programs Office; Employment and Training Administration; Apprenticeship and Training Bureau; Unemployment Insurance Service; United States Employment Service; Mine Safety and Health Administration; Veteran's Employment And Training Service; Pension and Welfare Benefits Administration.
LC--Library of Congress: Humanities and Social Sciences Division; Copyright Office; Manuscript Division; Geography and Map Division; Serial and Government Publications Division Library Services; Cataloging Directorate; Music Division; Congressional Research Service; Asian Division; National Library Service for the Blind and Physically Handicapped; Rare Book and Special Collections Division; Hispanic Division; Prints and Photographs Division; History and Literature Cataloging Division; Library Services (Includes Cataloging Distribution Service Division); Science and Technology Division; Collection Management Division; European Division; American Folklife Center; Motion Picture, Broadcasting and Recorded Sound Division; African and Middle Eastern Division; Law Library.
LR--National Labor Relations Board
MS--Merit Systems Protection Board: Special Counsel Office.
NAS--National Aeronautics and Space Administration
NC--National Capital Planning Commission
NCU--National Credit Union Administration
NF--National Foundation on the Arts and the Humanities: National Endowment for the Arts; National Endowment for the Humanities; Institute of Museum and Library Services.
NMB--National Mediation Board
NS--National Science Foundation: Science Information Service Office.
OP--Overseas Private Investment Corporation
P--United States Postal Service
PE--Peace Corps
PM--Personnel Management Office
PR--President of the United States
PREX--Executive Office of the President: Management and Budget Office; Central Intelligence Agency; Economic Advisors Council; Foreign Broadcast Information Service; Federal Coordinating Council for Science, Engineering and Technology; United States Trade Representative; Council on Environmental Quality; Domestic Policy Council; Telecommunications Policy Office; Science and Technology Policy Office; Drug Abuse Policy Office; Regulatory Information Service Center; Office of National Drug Control Policy.
PRVP--Vice President of the United States
RR--Railroad Retirement Board
S--State Department: International Development Agency.
SBA--Small Business Administration
SE--Securities and Exchange Commission
SI--Smithsonian Institution: National Museum of American History/National Museum of Natural History; American Historical Association; National Museum of American Art; Freer Gallery of Art; National Gallery of Art; National Air and Space Museum; National Portrait Gallery; Hirshhorn Museum and Sculpture Garden, National Museum of African Art.
SSA--Social Security Administration
T--Treasury Department: Comptroller of Currency; Customs Service; Engraving and Printing Bureau; Internal Revenue Service; Mint Bureau; Secret Service; Fiscal Service; Financial Management Service; Public Debt Bureau; Savings Bond Division; Alcohol, Tobacco and Firearms Bureau; Office of Thrift Supervision.
TD--Transportation Department: National Transportation Safety Board; Federal Highway Administration; Motor Carrier Safety Bureau; Federal Railroad Administration; Safety Office; Federal Aviation Administration; Airport Programs Office; Aviation Medicine Office; Air Traffic Operations Service; Flights Standard Service; Systems Research and Developmental Service; Civil Aviation Security Service; Aircraft Certification Service; Coast Guard; St. Lawrence Seaway Development Corporation; Federal Transit Authority; National Highway Traffic Safety Administration; Office of Hazardous Materials Transportation; Research and Special Programs Administration; Maritime Administration; Bureau of Transportation Statistics.
VA--Veterans Affairs Department
X,Y--Congress: House of Representatives; Senate; Congress; Administrative Conference of United States; United States Advisory Commission on Public Diplomacy; The African American Development Foundation; American Battle Monuments Commission; X,Y Congress-Continued: National Commission on American Indian, Alaska Native and Native Hawaiian Housing; Appalachian Regional Commission; Architectural and Transportation Barriers Compliance Board; National Advisory Council on Bilingual Education; Commodity Futures Trading Commission; Competitiveness Policy Council; Consumer Product Safety Commission; Advisory Committee on the Records of Congress; Defense Base Closure and Realignment Commission; Defense Nuclear Facilities Safety Board; National Council on Disability; National Commission on Responsibilities for Financing Postsecondary Education; Federal Election Commission; National Commission for Employment Policy; United States Enrichment Corporation; Equal Employment Opportunity Commission; Office of Government Ethics; Export-Import Bank of United States; Farm Credit System Insurance Corporation; Federal Deposit Insurance Corporation; Federal Executive Board; Federal Labor Relations Authority; Advisory Council on Historic Preservation; White House Historical Association; United States Holocaust Memorial Council; Interagency Council on the Homeless; National Advisory Council on Indian Education; Inter-American Foundation; Japan-United States Friendship Commission; National Commission on Libraries and Information Science; National Institute for Literacy; Marine Mammal Commission; Migratory Bird Conservation Commission; Federal Mine Safety and Health Review Commission; National Advisory Council on International Monetary and Financial Policies; The Corporation for National and Community Service; National Senior Service Corps; Nuclear Regulatory Commission; Nuclear Waste Technical Review Board; National Nutrition Monitory Advisory Council; Occupational Safety and Health Review Commission; Panama Canal Commission; Prospective Payment Assessment Commission; United States Institute of Peace; Pension Benefit Guaranty Corporation; Physician Payment Review Commission Postal Rate Commission; Committee for Purchase from the Blind and Other Severely Handicapped; Franklin Delano Roosevelt Memorial; Selective Service System; United States Sentencing Commission; National Advisory Committee on Semiconductors; Tennessee Valley Authority; Western Water Policy Review Advisory Commission; Commissions, Committees, and Boards; Special Committee on Aging (Senate); Committee on Agriculture (House); Committee on Agriculture, Nutrition, and Forestry (Senate); Committee on Appropriations (House); Committee on Appropriation (Senate); Committee on Armed Services (Senate); Committee on Banking and Financial Services (House); Committee on Banking, Housing, and Urban Affairs (Senate); Committee on the Budget (Senate); Committee on the Budget (House); Committee on Commerce, Science and Transportation (Senate); Committee on Commerce (House); Joint Economic Committee; Committee on Education and the Workplace (House); Energy and Natural Resources Committee; Select Committee on Ethics (Senate); Committee on Finance (Senate); Committee on Foreign Relations (Senate); Committee on Government Reform and Oversight (House); Committee on Governmental Affairs (Senate); House Oversight Committee (House); Committee on Indian Affairs (Senate); Committee on International Relations (House); Select Committee on Intelligence (House); Select Committee on Intelligence (Senate); Committee on the Judiciary (House); Committee on the Judiciary (Senate); Committee on Labor and Human Relations (Senate); Joint Committee on the Library; Joint Committee on Printing; Committee on Environment and Public Works (Senate); Committee on Resources (House); Committee on Rules (Rules); Committee on Rules and Administration (Senate); Committee on Science (House); Commission on Security and Cooperation in Europe; Committee on National Security (House); Commission on Security and Cooperation in Europe; Committee on Small Business (House); Committee on Small Business (Senate); Committee on Standards of Official Conduct (House); Joint Committee on Taxation; Committee on Transportation and Infrastructure (House); Committee on Veterans' Affairs (House); Committee on Veterans' Affairs (Senate); Committee on Ways and Means (House); Select and Special Committees (as appointed); Congress (Memorial Addresses); Congressional Budget Office.