CIA World FactbookA good resource for demographic information including culture, religion and politics.
HeinOnline Foreign and International Law Resources DatabaseA great resource to find international law or foreign law information including older materials. Yearbooks can be of great use on researching topics. I recommend using the title search feature under Advance Searching. You can type one or two key words and Hein will search for those words in the title.
Nations of the WorldLaw Library of Congress portal that organizes a foreign country's legal sites by their constitution; legislative, executive and judicial branches and provides links to legal guides and other miscellaneous information.
World Constitutions IllustratedThis library enables legal scholars to research the constitutional and political development of every country in the world. It includes the current constitution for every country in its original language format and an English translation, as well as substantial constitutional histories for countries such as Australia, Brazil, China, France, Mexico, the United Kingdom, and many more. It also includes constitutional periodicals, thousands of classic books, other related works such as the World Fact Book, links to scholarly articles and online resources, and bibliographic references.