4
4S, Society for Social Studies of Science
I
IALS, International Association of Legal Science
IASSA, International Arctic Social Sciences Association
IAU, International Astronomical Union
ICA, International Cartographic Association
IEA, International Economic Association
IFSM, International Federation of Societies for Microscopy
IGU, International Geographical Union
IMU, International Mathematical Union
INQUA, International Union for Quaternary Research
IPRA, International Peace Research Association
IPSA, International Political Science Association
ISA, International Sociological Association
ISEE, International Society for Ecological Economics
ISPRS, International Society for Photogrammetry and Remote Sensing
IUBS, International Union of Biological Sciences
IUCr, International Union of Crystallography
IUFoST, International Union of Food Science and Technology
IUFRO, International Union of Forest Research Organizations
IUGG, International Union of Geodesy and Geophysics
IUGS, International Union of Geological Sciences
IUHPST, The International Union for History and Philosophy of Science and Technology
IUIS, International Union of Immunological Societies
IUMRS, International Union of Materials Research Societies
IUMS, International Union of Microbiological Societies
IUNS, International Union of Nutritional Sciences
IUPAB, International Union for Pure and Applied Biophysics
IUPAC, International Union of Pure and Applied Chemistry
IUPAP, International Union of Pure and Applied Physics
IUPESM, International Union for Physical and Engineering Sciences in Medicine
IUPHAR, International Union of Basic and Clinical Pharmacology
IUPS, International Union of Physiological Sciences
IUPsyS, International Union of Psychological Science
IUSS, International Union of Soil Sciences
IUSSP, International Union for the Scientific Study of Population
IUTAM, International Union of Theoretical and Applied Mechanics
IUTOX, International Union of Toxicology
U
URSI, Union Radio Scientifique Internationale
W
WAPOR, World Association for Public Opinion Research
WAU, World Anthropological Union