00 Sustainable development (SD)
00.01 Sustainable development at IISD
00.01.00 IISD publications
00.01.01 IISD serials (newsletters, etc.)
00.01.02 IISD briefing books; miscellaneous
 
00.02 Sustainable development: local, national, international
00.02.00 Sustainable development: general works
00.02.02 International SD initiatives: followup to the Earth Summit & Agenda 21
00.02.03 Regional, national and local SD thought and action

Note: subdivided by geographic location

Note: includes regional, national and local SD reports
 
01 International cooperation. International Relations
01. 01 International cooperation

Development aid, programmes and projects
01. 02 International relations

Territorial questions; international law; foreign policy; defence
01.03 International organizations
01.03.01 In general
01.03.02 United Nations system
01.03.03 Intergovernmental organizations
01.03.04 Nongovernmental organizations
 
02 Economic policy. Social policy.  Planning
02.00 Development--General
02.01 Economic policy and planning
02.02 Social policy and theory
02.03-05 Social problems, services
 
03 Economic Conditions. Economic Research. Economic Systems
03.01 Economic research. Economics
03.02 Economic conditions

National accounting;
economic growth; economic cycles; standards of living
03.03 Economic Systems
 
04 Institutional Framework
04.01 Law. Legislation
04.02 Human rights
04.03 Government. Public administration 
04.04 Politics
 
05 Culture. Society
05.01 Social sciences
05.02 Culture
05.03 Society

Participation; social conditions & change; social status & interaction
05.04 Ethics. Religion
05.05 Art. Archaeology
05.06 Languages
 
06 Education. training
 
07 Agriculture
07.01 Agricultural economics
07.02 Land economics
07.03-06 Agricultural enterprises, equipment, production & research
07.07 Plant production
07.08 Forests
07.09 Animal production
07.10 Fishery
 
08 Industry
08.01 Industrial economics and development
08.02-05 Industrial enterprises, engineering, products & production and research
08.06-10 Food, woodworking, pulp & paper, textile, rubber & construction industries
08.11 Energy
08.12 Chemical industry
08.13-15 Mining, metalworking, electronics
08.16 Communications. Media
 
09 Trade
09.01 Demand. Market. Consumption
09.02 Prices
09.03 Marketing
09.04 Domestic trade
09.05 International trade

Trade agreements & trade policy, balance of trade
 
10 Transport
10.01 Transport economics
10.02-07 Goods, Passengers, infrastructure, modes of transport, traffic
 
11 Finance. Investment
11.01 Public Finance. Taxation
11.02 Currencies. Financing
11.03 International Monetary System
 
12 Business. technology
12.01 Enterprises
12.02 Economic concentration
12.03 Entrepreneurs
12.04 Management
12.05-09 Equipment, Technology, Production, Products, Cost accounting 
 
13 Labour
13.01 Human resources
13.02 Employment services. Personnel management
13.03 Working conditions
13.04-09 Occupational safety, labour mobility & relations, wages, leisure, Occupations
 
14 Demography. Population
14.01 Population dynamics
14.02 Population composition
14.03 Ethnic groups
14.04 Habitat
14.05 Fertility. Family planning
14.06 Mortality
14.07 Migration
 
15 Biology. Food. Health
15.01 Biology. Parasitology. Biochemistry
15.02 Anatomy. Genetics. Physiology
15.03 Food. Nutrition
15.04 Medicine. Diseases
15.05 Pharmacology. Toxicology
 
16 Environment. Natural Resources
16.01 Ecology
16.02 Natural resources
16.03 Disasters. Pollution

Acid rain; desertification; atmospheric change (global warming; ozone depletion)
16.04 Pollution control. Environmental management
16.05 Resources conservation

Protected species & areas; parks; biodiversity
 
17 Earth sciences
17.01 Meteorology
17.02 Climate
17.03 Geography
17.04 Geophysics. Geology. Soil sciences
17.05    Hydrology.  Water
17.06 Oceanography
17.07 Space sciences
 
18 Science. research. methodology
18.01 Research. Science
18.02 Organizations of Research
18.03 Research methods. Theory
18.04 Data collecting
18.05 Experiments
18.06 Measurement
18.07 Mapping
18.08 Mathematics. Statistical analysis
18.09 Comparison. Evaluation
18.10 Forecasts. Time factor
 
19 Information & Documentation
19.01 Information policy & management
19.02 Copyright. General reference
 
20 Global overview reports
20.00.00 World Development Report; State of the World
 
Geographic Subdivision Number followed by country code, eg. 3CA for Canada

1. Arctic, Antarctic
2. Africa
3. Americas
4. Asia
5. Europe, UK
6. Middle East
7. Pacific region