Organisation for Economic Co-Operation and Development iLibraryOECD iLibrary is the online library of the Organisation for Economic Cooperation and Development (OECD) featuring its books, papers, statistics and is the gateway to OECD’s analysis and data. The site also contains content published by the International Energy Agency, the Nuclear Energy Agency, the OECD Development Centre, PISA (Programme for International Student Assessment), and the International Transport Forum.