The largest and most comprehensive reference work on intergovernmental (IGO) and international non-governmental organizations (INGOs), the Yearbook of International Organizations offers detailed, factual information on organizations around the world, ranging from the United Nations and the Red Cross to professional associations, scholarly societies, sports clubs, and religious orders. In addition to historical and structural details (such as aims and geographical presence), the Yearbook also provides current information about contact addresses, fields of activity, publications, and biographical information on executive officers. Numerous cross-references illustrate connections between organizations and practically structured indexes make the information easily accessible. The extensive, up-to-date, and reliable information in the Yearbook of International Organizations make it an essential compendium for those concerned with international relations and transnational civil society.