Founded in 1980, Mary Ann Liebert, Inc. is a leading company in the Scientific, Technical, and Medical knowledge and information industry. The publisher is known for authoritative international publications in cutting-edge basic and translational biomedical research, with expanding scope in engineering, business, environment, and legal publications. The MPG subscription also covers article-processing charges for Max Planck authors in MAL journals. Further details are available on the MPDL website

The OECD (Organisation for Economic Co-operation and Development) is a forum and knowledge hub for data, analysis and best practices in public policy. It also contains some content published by the International Energy Agency (IEA), the Nuclear Energy Agency (NEA), the OECD Development Centre, PISA (Programme for International Student Assessment), and the International Transport Forum (ITF). All data, reports and analysis in all formats are now available under an open licence, allowing users to freely access, use, translate, and share the Organisation’s work.