Women's Studies Databases (University of Maryland)
Gender and Women's Studies Librarian's Office (University of Wisconsin)
Gender and Women's Studies Section (Association of College and Research Libraries)
UNECE's Gender Statistics (United Nations Economic Commission for Europe)
International Center for Research on Women -- "ICRW's mission is to empower women, advance gender equality and fight poverty in the developing world. To accomplish this, ICRW works with partners to conduct empirical research, build capacity and advocate for evidence-based, practical ways to change policies and programs." [from the ICRW website, 1/24/2011]
World Bank: Gender -- many excellent links to topics and data about women and gender related to development and other global issues.