Commissions of Division XII

Commission 5, Documentation and Astronomical Data: http://cdsweb.u-strasbg.fr/IAU/
Commission 6, Astronomical Telegrams: http:www.ss.astro.umd.edu/IAU/csbn/
Commission 14, Atomic and Molecular Data: http://www.astro.lu.se/Research/astrophys/iau
Commission 41, History of Astronomy: http://www.historyofastronomy.org/
Commission 46, Astronomy Education and Development: http://www.astronomyeducation.org
Commission 50, Protection of Existing and Potential Observatory Sites: http://www.ctio.noao.edu/cgi-bin/iau50.pl

IAU

ICSU, International Council for Science, http://www.icsu.org/index.php
CIE Compagnie Internationale de l'Eclairage, http://www.cie.co.at/cie/
CODATA Committee on Data for Science and Technology, http://www.codata.org/
IUCAF Scientific Committee on Frequency Allocations
for Radio Astronomy and Space Science, http://www.iucaf.org
IUPAP International Union of Pure and Applied Physics, http://www.iupap.org/
ITU International Telecommunication Union, http://www.itu.int/home/index.html
ISES International Space Environment Service, http://www.ises-spaceweather.org/
UN COPUOS Committee on the Peaceful Uses of Outer Space, http://www.oosa.unvienna.org/COPUOS/copuos.html
URSI Union Radio-Scientifique Internationale, http://www.intec.rug.ac.be/Research/Projects/ursi/welcome.html