| English | eng-000 | International Classification for Standards |
| français | fra-000 | International Classification for Standards |
| English | eng-000 | International Classification of Diseases |
| English | eng-000 | international classification of diseases |
| toskërishte | als-000 | International Classification of Diseases and Related Health Problems |
| Deutsch | deu-000 | International Classification of Diseases for Oncology |
| English | eng-000 | International Classification of Diseases for Oncology |
| Nederlands | nld-000 | International Classification of Diseases for Oncology |
| English | eng-000 | International Classification of Figurative Elements of Marks |
| Deutsch | deu-000 | International Classification of Functioning |
| English | eng-000 | International Classification of Functioning |
| English | eng-000 | International Classification of Functioning, Disability and Health |
| English | eng-000 | International Classification of Goods and Services for the Purposes of the Registration of Marks |
| English | eng-000 | International Classification of Impairments, Disabilities and Handicaps |
| English | eng-000 | International Classification of Impairments, Disabilities and Handicaps, A manual of classification relating to the consequences of disease |
| English | eng-000 | international classification of industrial designs |
| English | eng-000 | International Classification of Non-Profit Organizations |
| English | eng-000 | International Classification of Occupations for Migration and Employment Placement |
| English | eng-000 | International Classification of Primary Care |
| English | eng-000 | International Classification of Sleep Disorders |
| English | eng-000 | International Classification of Status in Employment |
| English | eng-000 | International Cleaner Production Information Clearing House |
| English | eng-000 | International Cleaner Production Information Clearinghouse |
| English | eng-000 | international clearing |
| English | eng-000 | International Clearing Union |
| English | eng-000 | International Climate Change Partnership |
| English | eng-000 | international climate convention |
| English | eng-000 | international climate fund |
| English | eng-000 | International Cloud Atlas |
| English | eng-000 | International Club of Journalists for Children’s Rights |
| dansk | dan-000 | International Coach Federation |
| English | eng-000 | International Coach Federation |
| English | eng-000 | International Coalition for Development Action |
| English | eng-000 | International Coalition for the Decade |
| English | eng-000 | International Coalition of Cities against Racism |
| English | eng-000 | International Coalition of Fisheries Associations |
| English | eng-000 | International Coalition on Women and Credit |
| English | eng-000 | International Coalition on Women and Finance |
| English | eng-000 | International Coastal and Ocean Organization |
| français | fra-000 | International Coastal and Ocean Organization |
| español | spa-000 | International Coastal and Ocean Organization |
| English | eng-000 | International Cocoa Agreement, 1975 |
| English | eng-000 | International Cocoa Council |
| English | eng-000 | International Cocoa Organization |
| English | eng-000 | International Cocoa Trades Federation |
| English | eng-000 | International Code |
| English | eng-000 | International code |
| English | eng-000 | international code |
| English | eng-000 | international code book |
| English | eng-000 | international code designator |
| English | eng-000 | international code flag |
| English | eng-000 | international code flags |
| English | eng-000 | International Code for Fire Safety System |
| English | eng-000 | International Code for the Construction and Equipment of Ships Carrying Dangerous Chemicals in Bulk |
| English | eng-000 | International Code for the Construction and Equipment of Ships Carrying Liquified Gases in Bulk |
| English | eng-000 | International Code for the Safe Carriage of Packaged Irradiated Nuclear Fuel, Plutonium and High-level Radiactive Wastes on Board Ships |
| English | eng-000 | International Code for the Security of Ships and Port Facilities |
| dansk | dan-000 | International Code of Botanical Nomenclature |
| English | eng-000 | International Code of Botanical Nomenclature |
| svenska | swe-000 | International Code of Botanical Nomenclature |
| English | eng-000 | International Code of Conduct against Ballistic Missile Proliferation |
| English | eng-000 | International Code of Conduct for Plant Germplasm Collecting and Transfer |
| English | eng-000 | International Code of Conduct for Public Officials |
| English | eng-000 | International Code of Conduct on Arms Transfers |
| English | eng-000 | International Code of Conduct on the Distribution and Use of Pesticides |
| English | eng-000 | international code of conduct on the transfer of technology |
| English | eng-000 | International Code of Ethics for Dealers in Cultural Property |
| English | eng-000 | International Code of Marketing of Breast-milk Substitutes |
| English | eng-000 | International Code of Medical Ethics |
| English | eng-000 | International Code of Nomenclature |
| English | eng-000 | International Code of Nomenclature for Cultivated Plants |
| svenska | swe-000 | International Code of Nomenclature for Cultivated Plants |
| Deutsch | deu-000 | International Code of Nomenclature of Bacteria |
| English | eng-000 | International Code of Nomenclature of Bacteria |
| English | eng-000 | international code of police ethics |
| English | eng-000 | International Code of Practice |
| English | eng-000 | International Code of Reception Facilities |
| English | eng-000 | International Code of Signals |
| English | eng-000 | international code of signals |
| English | eng-000 | International Code of Zoological Nomenclature |
| English | eng-000 | international codes |
| English | eng-000 | international Code Signal |
| English | eng-000 | international-code signal |
| English | eng-000 | International Code User |
| English | eng-000 | International Codification System for Medium- and High-rank Coals |
| English | eng-000 | International Coffee Agreement |
| English | eng-000 | International Coffee Agreement, 1976 |
| English | eng-000 | International Coffee Council |
| English | eng-000 | International Coffee Organization |
| English | eng-000 | International Collective in Support of Fishworkers |
| English | eng-000 | International College of Surgeons |
| English | eng-000 | International Colloquium of Mayors on Social Development |
| English | eng-000 | International Colloquium on Post-Conflict Reconstruction Strategies |
| English | eng-000 | International Colloquium on TCDC in Groundwater Resources Development |
| English | eng-000 | International Colloquium on the Exploitation of the Oceans |
| English | eng-000 | International Colloquium on the implementation of the ESA Convention - lessons from the Past |
| English | eng-000 | International colloquium on the prohibition of apartheid, racism and racial discrimination and the achievement of self-determination in international law |
| English | eng-000 | International Colloquium on the Rights of Minorities |
| English | eng-000 | International Colloquium on the World Economic Outlook and its Effects on the Economies of Latin America and the Caribbean |
| English | eng-000 | International Colloquium The Earth is Ours |
| English | eng-000 | International Colloquium to commemorate the tenth anniversary of the Cartagena Declaration on Refugees |
| English | eng-000 | International Colloquy on the Guiding Principles on Internal Displacement |
| dansk | dan-000 | International Color Consortium |
| Deutsch | deu-000 | International Color Consortium |
| English | eng-000 | International Color Consortium |
| français | fra-000 | International Color Consortium |
| italiano | ita-000 | International Color Consortium |
| Nederlands | nld-000 | International Color Consortium |
| polski | pol-000 | International Color Consortium |
| English | eng-000 | International Color Consortium profile file |
| English | eng-000 | International Colour Association |
| English | eng-000 | international colour index |
| English | eng-000 | International Cometary Explorer |
| italiano | ita-000 | International Cometary Explorer |
| svenska | swe-000 | International Cometary Explorer |
| English | eng-000 | international cometary explorer |
| English | eng-000 | International Comity |
| English | eng-000 | International Commemoration Day for Dead and Injured Workers |
| English | eng-000 | international commerce |
| Deutsch | deu-000 | International Commerce Center |
| English | eng-000 | International Commerce Centre |
| português | por-000 | International Commerce Centre |
| español | spa-000 | International Commerce Centre |
| English | eng-000 | International Commercial Arbitration |
| English | eng-000 | international commercial arbitration |
| English | eng-000 | international commercial dispute |
| English | eng-000 | International Commercial Dispute Resolution Center |
| français | fra-000 | International Commercial Dispute Resolution Center |
| English | eng-000 | international commercial radio |
| English | eng-000 | International Commercial Terms |
| English | eng-000 | international commercial terms |
| English | eng-000 | International Commercial Terms, INCOTERMS |
| English | eng-000 | International Commission Against Concentration Camp Practices |
| English | eng-000 | International Commission against Impunity in Guatemala |
| English | eng-000 | International Commissioner |
| English | eng-000 | International Commission for Central American Recovery and Development |
| English | eng-000 | International Commission for Food Industries |
| English | eng-000 | International Commission for Optics |
| italiano | ita-000 | International Commission for Optics |
| English | eng-000 | International Commission for Supervision and Control in Cambodia |
| English | eng-000 | International Commission for Supervision and Control in Viet-Nam |
| English | eng-000 | International Commission for the Abolition of Sexual Mutilation |
| English | eng-000 | International Commission for the Conservation of Atlantic Tunas |
| English | eng-000 | International Commission for the Northwest Atlantic Fisheries |
| English | eng-000 | International Commission for the Preservation of the Islamic Cultural Heritage |
| English | eng-000 | International Commission for the Prevention of Alcoholism and Drug Dependency |
| English | eng-000 | International Commission for the Prevention of Iron Deficiency |
| English | eng-000 | International Commission for the Protection of the Danube River |
| English | eng-000 | International Commission for the Protection of the Moselle and the Sarre against Pollution |
| English | eng-000 | International Commission for the Protection of the Rhine against Pollution |
| English | eng-000 | International Commission for the Scientific Exploration of the Mediterranean Sea |
| English | eng-000 | International Commission for the Southeast Atlantic Fisheries |
| English | eng-000 | International Commission for the Study of Communication Problems |
| English | eng-000 | International Commission of Health Professionals for Health and Human rights |
| English | eng-000 | international commission of inquiry |
| English | eng-000 | International Commission of Inquiry for Darfur |
| English | eng-000 | International Commission of Inquiry for Rwanda |
| English | eng-000 | International Commission of Inquiry for Togo |
| English | eng-000 | International Commission of Inquiry in Burundi |
| English | eng-000 | International Commission of Inquiry into Crimes of the Military Junta in Chile |
| English | eng-000 | International Commission of Inquiry into Israeli Crimes against the Lebanese and Palestinian Peoples |
| English | eng-000 | International Commission of Inquiry into the Crimes of the Racist and Apartheid régimes in Southern Africa |
| English | eng-000 | International Commission of Inquiry on East Timor |
| English | eng-000 | International Commission of Jurists |
| English | eng-000 | International Commission of Verification and Follow-up of the Agreements |
| English | eng-000 | International Commission on Anthropology and Food |
| English | eng-000 | International Commission on Civil Status |
| English | eng-000 | International Commission on Cloud Physics |
| English | eng-000 | International Commission on Distance Education |
| English | eng-000 | International Commission on Education for the twenty-first Century |
| English | eng-000 | International Commission on Glass |
| English | eng-000 | International Commission on Illumination |
| English | eng-000 | International Commission on Intellectual Cooperation |
| Deutsch | deu-000 | International Commission on Intervention and State Sovereignty |
| English | eng-000 | International Commission on Intervention and State Sovereignty |
| English | eng-000 | International Commission on Irrigation and Drainage |
| English | eng-000 | International Commission on Large Dams |
| English | eng-000 | International Commission on Lunar Studies |
| English | eng-000 | International Commission on Mathematical Instruction |
| English | eng-000 | International Commission on Missing Persons |
| English | eng-000 | International Commission on Non-Ionizing Radiation Protection |
| English | eng-000 | International Commission on Occupational Health |
| Deutsch | deu-000 | International Commission on Radiation Units and Measurements |
| English | eng-000 | International Commission on Radiation Units and Measurements |
| English | eng-000 | International Commission on Radiological Protection |
| čeština | ces-000 | International Commission on Radiological Protection ICRP |
| English | eng-000 | International Commission on Radiological Units and Measurements |
| English | eng-000 | International Commission on Stratigraphy |
| français | fra-000 | International Commission on Stratigraphy |
| Nederlands | nld-000 | International Commission on Stratigraphy |
| português | por-000 | International Commission on Stratigraphy |
| svenska | swe-000 | International Commission on Stratigraphy |
| English | eng-000 | International Commission on the Development of Education |
| English | eng-000 | International Commission on Zoological Nomenclature |
| svenska | swe-000 | International Commission on Zoological Nomenclature |
| English | eng-000 | international committee |
| English | eng-000 | International Committee against Apartheid, Racism and Colonialism in Southern Africa |
| English | eng-000 | International Committee for Animal Recording |
| English | eng-000 | International Committee for Applied Research in Population |
| English | eng-000 | International Committee for Breaking the Language Barrier |
| English | eng-000 | International Committee for Contraceptives |
| English | eng-000 | International Committee for Democracy in Cuba |
| English | eng-000 | International Committee for Economic Development and Solidarity |
| français | fra-000 | International Committee for Economic Development and Solidarity |
| English | eng-000 | International Committee for European Security and Co-operation |
| English | eng-000 | International Committee for European Security and Cooperation |
| English | eng-000 | International Committee for Fair Play |
| Deutsch | deu-000 | InterNational Committee for Information Technology Standards |
| English | eng-000 | International Committee for Information Technology Standards |
| English | eng-000 | International Committee for Lift Regulations |
| English | eng-000 | International Committee for Nondestructive Testing |
| English | eng-000 | International Committee for Outer Space Onomastics |
| English | eng-000 | International Committee for Plastics in Agriculture |
| English | eng-000 | International Committee for Radionucleide Metrology |
| English | eng-000 | International Committee for Social Science Information and Documentation |
| English | eng-000 | International Committee for Standardization in Haematology |
| English | eng-000 | International Committee for Support to the Transition |
| English | eng-000 | International Committee for the Development of Lumbini |
| English | eng-000 | International Committee for the UN Decade for Women |
| English | eng-000 | International Committee for the World Water Contract |
| English | eng-000 | International Committee for Weights and Measures |
| English | eng-000 | International Committee of Catholic Nurses |
| English | eng-000 | International Committee of Eminent Persons |
| English | eng-000 | International Committee of Experts for the Rebuilding of the Old Bridge and the Rehabilitation of the Old Town in Mostar |
| English | eng-000 | International Committee of Experts in Medical Sciences and Public Health |
| English | eng-000 | International Committee of Industrial, Artisanal and Service Producers’ Cooperatives |
| English | eng-000 | International Committee of Military Medicine |
| English | eng-000 | International Committee of Military Medicine and Pharmacy |
| English | eng-000 | International Committee of Solidarity with the Struggle of Women of South Africa and Namibia |
| English | eng-000 | International Committee of the Blue Shield |
| English | eng-000 | International Committee of the Fourth International |
| English | eng-000 | International Committee of the Movements for European Unity |
| English | eng-000 | International Committee of the Red Cross |
| English | eng-000 | international committee of the Red cross |
| English | eng-000 | International Committee of the Wise |
| English | eng-000 | International Committee of Youth |
| English | eng-000 | International Committee on Applied Research in Population |
| English | eng-000 | International Committee on Commercial Arbitration |
| English | eng-000 | International Committee on Global Navigation Satellite System |
| English | eng-000 | International Committee on Laboratory Animals |
| English | eng-000 | International Committee on Museums of Ethnography |
| English | eng-000 | International Committee on Public Relations in Rehabilitation |
| English | eng-000 | International Committee on Reconstruction of Cambodia |
| English | eng-000 | International Committee on Systematic Bacteriology |
| Deutsch | deu-000 | International Committee on Taxonomy of Viruses |
| English | eng-000 | International Committee on Taxonomy of Viruses |
| français | fra-000 | International Committee on Taxonomy of Viruses |
| English | eng-000 | International Committee on the Assessment and Mitigation of Earthquake Risk |
| English | eng-000 | International Committee on the Legal Aspects of a New International Economic Order |
| English | eng-000 | International Committee on the Management of Population Programmes |
| English | eng-000 | International Committee on the Reconstruction of Cambodia |
| English | eng-000 | International Commodity Agreement |
| English | eng-000 | international commodity agreement |
| English | eng-000 | international commodity agreement/arrangement |
| English | eng-000 | International Commodity Agreements |
| English | eng-000 | international commodity agreements |
| English | eng-000 | international commodity arrangements |
| English | eng-000 | International Commodity Body |
| English | eng-000 | international commodity classification |
| English | eng-000 | international commodity market |
| English | eng-000 | international commodity organization |
| English | eng-000 | International Commodity Policy |
| English | eng-000 | international commodity price movement |
| English | eng-000 | International Commodity Related Environmental Agreements |
| English | eng-000 | International Common Denomination |
| English | eng-000 | international communication |
| English | eng-000 | International Communication Association |
| English | eng-000 | international communication line |
| English | eng-000 | international communication network |
| English | eng-000 | international-communication receiver |
| English | eng-000 | international communications association |
| English | eng-000 | international communication satellite |
| English | eng-000 | international communication service |
| English | eng-000 | international communication system |
| English | eng-000 | international communication transmitter |
| English | eng-000 | International Communist Current |
| English | eng-000 | International Communist Party |
| English | eng-000 | International Communities for the Renewal of the Earth |
| français | fra-000 | International Communities for the Renewal of the Earth |
| español | spa-000 | International Communities for the Renewal of the Earth |
| English | eng-000 | international community |
| English | eng-000 | International Community Education Association |
| English | eng-000 | International Community of Women Living with HIV/AIDS |
| English | eng-000 | International Community Radio Taipei |
| English | eng-000 | international compact |
| English | eng-000 | International Compact with Iraq |
| English | eng-000 | international company |
| English | eng-000 | International Comparative Seminar on the Problem of Dangerous and Long-term Prisoners |
| English | eng-000 | International Comparative Study on the Organization and Effectiveness of Research Units |
| English | eng-000 | International Comparison of Prices |
| English | eng-000 | International Comparison Programme |
| English | eng-000 | International Comparison Project |
| English | eng-000 | international comparisons |
| English | eng-000 | international competetiva bidding |
| English | eng-000 | international competition |
| Deutsch | deu-000 | International Competition Network |
| English | eng-000 | International Competition Network |
