AGROVOC is a controlled vocabulary covering all areas of interest to the Food and Agricultural Organization of the UN (FAO), including food, nutrition, agriculture, fisheries, forestry, environment etc.
The International Nuclear Information System (INIS) multilingual thesaurus serves as a tool for indexing and describing nuclear information and knowledge in a structured form and assists in multilingual and semantic searches of the INIS Collection.
The list of countries or areas contains the names of countries or areas in alphabetical order, their three-digit numerical codes used for statistical processing purposes by the Statistics Division of the UN Secretariat, and their three-digit alphabetical codes assigned by the International Organization for Standardization (ISO). The designations employed and the presentation of material at this site do not imply the expression of any opinion whatsoever on the part of the Secretariat of the United Nations concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries.
The UN Office for Disaster Risk Reduction (UNISDR) develops these basic definitions on Disaster Risk Reduction (DRR) to promote a common understanding on the subject for use by the public, authorities and practitioners.
The multilingual UNBIS Thesaurus contains the terminology used in subject analysis of documents and other materials relevant to United Nations programmes and activities. Available in Arabic, Chinese, English, French, Russian and Spanish.
The UNESCO Thesaurus is a controlled and structured list of terms used in subject analysis and retrieval of documents and publications in the fields of education, culture, natural sciences, social and human sciences, communication and information.
The UNICRI (United Nations Interregional Crime and Justice Research Institute) Thesaurus lists the keywords used by UNICRI Documentation Service to index its Library Collection documents and by users to retrieve catalogue information. It covers all subjects related to crime prevention and criminal justice in the widest sense.