UN Women (United Nations Entity for Gender Equality and Empowerment of Women
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)
National Women's History Museum
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]
National Online Resource Center on Violence Against Women
World Bank: Gender -- many excellent links to topics and data about women and gender related to development and other global issues.