IADB
IAEA (International Atomic Energy Agency)
IATA
ICAO (International Civil Aviation Organization)
ICCR (The Interdisciplinary Centre for Comparative Research in the Social Sciences International
ICE (Research Unit for Institutional Change and European Integration
ICGEB (International Centre for Genetic Engineering and Biotechnology)
ICL (International Constitutional Law)
ICONTEC (Instituto Colombiano de Normas Técnicas y Certificación)
ICPSR Dataset Browser
ICRC (International Committee of the Red Cross)
ICTP (Centro internazionale di fisca teorica "Abdus Salam")
Identificativo battelli
IEF (Research Institute for European Affairs)
IIER (Institute of International Economic Relations)
ILO (International Labour Office)
IMF (International Monetary Fund)
IMO (International Maritime Organization)
INAIL
INEA (Istituto Nazionale di Economia Agraria)
INEN (Instituto Ecuatoriano de Normalización)
INET98
Informazione giuridica
INPS
INSEAD (The European Institute of Business Administration
Institut Européen de l'Université de Genève
Institute for European Economic Policy - University of Trier
Institut for Genomic Research
Institut für Europarecht (University of Fribourg)
Instituto Juan March
Intelligenza artificiale (progetto Kismet)
InterLex
International Boundaries Research Unit
International Development Research Centre
International Economic Performance by Country
International Economics
International Institute for Strategic Studies
International Organizations (Yahoo Listing)
International Political Economy
International Political Science Association
International Relations and Politics Resources
International Relations and Security Network
International Studies Association
International Trade Law Project
International Treaties (Legal Net Services)
International Treaties on the Internet (Lexadin)
Internet Dictionary Project
IOC
IPQ (Instituto Português da Qualidade)
IPTS (Institute for Prospective Technological Studies)
IRAM (Instituto Argentino de Normalización)
ISDAC (Information society disabilities challenge)
ISFOL
ISO (International Organization for Standardization))
ISSS (Information Society Standardization System
ISTAT
Istituto centrale per il catalogo e la documentazione
Istituto centrale per il catalogo unico delle biblioteche italiane
Istituto e Museo di Storia della Scienza (Firenze)
Istituto nazionale di fisica nucleare
Istituto per lo studio del diritto nei trasporti
Istituto superiore di Sanità
ITU (International Telecommuniation Union)