IAU

Directorios

http://www.unesco.org/iau/onlinedatabases/index.html

Otros enlaces:

http://www.unesco.org/iau/other/other_links/index.html

Declaration of science

http://www.unesco.org/science/wcs/eng/declaration_e.htm

IBE

http://www.ibe.unesco.org/Countries/WDE/2006/index.html