- Organisation for Economic Co-operation and Development (23)
- International Energy Agency (2)
- Organisation for Economic Co-operation and Development. Dept. of Economics and Statistics (2)
- Organisation for Economic Co-operation and Development. Statistics Directorate (2)
- Helmich, Henny (1)
- Lee, Chung H. (1)
- Organisation for Economic Co-operation and Development. Development Assistance Committee (1)
- Organisation for Economic Co-operation and Development. Development Centre (1)
- Reisen, Helmut (1)
- Smillie, Ian (1)