ScienceDirectory.info is a leading science website including agriculture, metrology, industrial engineering, earth sciences, geography, mathematic, aquaculture, aerospace and more.
Columbia International Affairs Online
Fee-based subscription service for research in international affairs. Features a database of working papers, proceedings, journal abstracts, statistics, and books.
http://www.ciaonet.org/
United Nations Intellectual History Project
Future-oriented intellectual history of the UN in the world economy. Research is conducted through a worldwide network of institutions and scholars.
http://www.unhistory.org/