Created in 1945 (HQ in Washington DC), nearly all countries are members. Mission to ensure global financial & economic stability. From 1 January 2020 the IMF offers free access to its publications portal - IMF eLibrary. See all the Essential Reading section on key topics

Created in 1961 & based in Paris, the OECD comprises 36 countries (mostly economically developed). A forum for governments to develop policies that benefit their populations. Some freely available publications & data, the Library also subscribes to the OECDiLibrary database

Established 1944, based in New York, and internationally funded to provide financial & technical assistance to developing countries. Extensive datasets available at https://data.worldbank.org/ and publications available through its Open Knowledge Repository - https://openknowledge.worldbank.org/
Note that the OKR is different from the World Bank eLibrary (which the library does not subscribe to)

Influential organisation, bringing together business, policy makers & others since 1971, in an effort to shape the economic agenda

Major independent think tank. Full text of many reports available.

Brussels based think tank (2005-) focused on economic policy (the EU and globally). Has also developed some useful datasets

Leading UK economics research institute publishing highly regarded working papers series, and blogs VoxEU and VoxDev

Powerful but basic tool, searches across 1200 US & international think tanks for publications & more

Premier US economics research institute with highly regarded working paper series

(formerly the Institute for International Economics)

Portal offering curated access to documents from over 20 000 policy organisations (IGOs and NGOs) from around the world. Good coverage of Africa, and improving for Asia

Growing community of academics & students developing engaging introductory level e-books and online resources for teaching real world economics

Free resources for UK university teachers of economics.