| A1 - Ecosystem Services, Biodiversity I (4 documents) |
| A2 - Agriculture and Land Use (4 documents) |
| A3 - Natural Resources: Fishery, Forestry (4 documents) |
| A4 - Water (4 documents) |
| A5 - Energy I (4 documents) |
| A6 - Exhaustible Resources (4 documents) |
| B1 - Energy II (4 documents) |
| B2 - Environmental Pollution, Externalities (4 documents) |
| B3 - Climate Change I: Carbon Market (4 documents) |
| B4 - Eco-Labels (4 documents) |
| B5 - Growth and Technical Change (4 documents) |
| B6 - Health and Environment (4 documents) |
| C1 - Ecosystem Services, Biodiversity II (4 documents) |
| C2 - Energy III (4 documents) |
| C3 - Climate Change II (4 documents) |
| C4 - Environment and Development (4 documents) |
| C5 - Resource, Institutions Quality, Conflicts (3 documents) |
| C6 - International Issues and the Environment in honor of Yolande Hiriart (4 documents) |
| D1 - Energy IV (4 documents) |
| D2 - Climate Change III (4 documents) |
| D3 - Risk, Uncertainty (4 documents) |
| D4 - Sustainability (4 documents) |
| D5 - Context, Thresholds, Disasters (3 documents) |
| D6 - Energy V (3 documents) |
| A - General Economics and Teaching (0 document) |
| B - History of Economic Thought, Methodology, and Heterodox Approaches (0 document) |
| C - Mathematical and Quantitative Methods (0 document) |
| D - Microeconomics (0 document) |
| E - Macroeconomics and Monetary Economics (0 document) |
| F - International Economics (0 document) |
| G - Financial Economics (0 document) |
| H - Public Economics (0 document) |
| I - Health, Education, and Welfare (0 document) |
| J - Labor and Demographic Economics (0 document) |
| K - Law and Economics (0 document) |
| L - Industrial Organization (0 document) |
| M - Business Administration and Business Economics - Marketing - Accounting - Personnel Economics (0 document) |
| N - Economic History (0 document) |
| O - Economic Development, Innovation, Technological Change, and Growth (0 document) |
| P - Economic Systems (0 document) |
| Q - Agricultural and Natural Resource Economics - Environmental and Ecological Economics (0 document) |
| Q00 - General (0 document) |
| Q01 - Sustainable Development (0 document) |
| Q02 - Commodity Markets (0 document) |
| Q1 - Agriculture (0 document) |
| Q10 - General (0 document) |
| Q11 - Aggregate Supply and Demand Analysis - Prices (0 document) |
| Q12 - Micro Analysis of Farm Firms, Farm Households, and Farm Input Markets (0 document) |
| Q13 - Agricultural Markets and Marketing - Cooperatives - Agribusiness (0 document) |
| Q14 - Agricultural Finance (0 document) |
| Q15 - Land Ownership and Tenure - Land Reform - Land Use - Irrigation - Agriculture and Environment (0 document) |
| Q16 - R&D - Agricultural Technology - Biofuels - Agricultural Extension Services (0 document) |
| Q17 - Agriculture in International Trade (0 document) |
| Q18 - Agricultural Policy - Food Policy (0 document) |
| Q19 - Other (0 document) |
| Q2 - Renewable Resources and Conservation (0 document) |
| Q20 - General (0 document) |
| Q21 - Demand and Supply - Prices (0 document) |
| Q22 - Fishery - Aquaculture (0 document) |
| Q23 - Forestry (0 document) |
| Q24 - Land (0 document) |
| Q25 - Water (0 document) |
| Q26 - Recreational Aspects of Natural Resources (0 document) |
| Q27 - Issues in International Trade (0 document) |
| Q28 - Government Policy (0 document) |
| Q29 - Other (0 document) |
| Q3 - Nonrenewable Resources and Conservation (0 document) |
| Q30 - General (0 document) |
| Q31 - Demand and Supply - Prices (0 document) |
| Q32 - Exhaustible Resources and Economic Development (0 document) |
| Q33 - Resource Booms (0 document) |
| Q34 - Natural Resources and Domestic and International Conflicts (0 document) |
| Q35 - Hydrocarbon Resources (0 document) |
| Q37 - Issues in International Trade (0 document) |
| Q38 - Government Policy (0 document) |
| Q39 - Other (0 document) |
| Q4 - Energy (0 document) |
| Q40 - General (0 document) |
| Q41 - Demand and Supply - Prices (0 document) |
| Q42 - Alternative Energy Sources (0 document) |
| Q43 - Energy and the Macroeconomy (0 document) |
| Q47 - Energy Forecasting (0 document) |
| Q48 - Government Policy (0 document) |
| Q49 - Other (0 document) |
| Q5 - Environmental Economics (0 document) |
| Q50 - General (0 document) |
| Q51 - Valuation of Environmental Effects (0 document) |
| Q52 - Pollution Control Adoption and Costs - Distributional Effects - Employment Effects (0 document) |
| Q53 - Air Pollution - Water Pollution - Noise - Hazardous Waste - Solid Waste - Recycling (0 document) |
| Q54 - Climate - Natural Disasters and Their Management - Global Warming (0 document) |
| Q55 - Technological Innovation (0 document) |
| Q56 - Environment and Development - Environment and Trade - Sustainability - Environmental Accounts and Accounting - Environmental Equity - Population Growth (0 document) |
| Q57 - Ecological Economics: Ecosystem Services - Biodiversity Conservation - Bioeconomics - Industrial Ecology (0 document) |
| Q58 - Government Policy (0 document) |
| Q59 - Other (0 document) |
| R - Urban, Rural, Regional, Real Estate, and Transportation Economics (0 document) |
| Y - Miscellaneous Categories (0 document) |
| A1 - Ecosystem Services, Biodiversity I (test) (0 document) |
| 00-00AAAA (0 document) |
